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-rw-r--r--target/site/apidocs/musichub/business/Album.html250
-rw-r--r--target/site/apidocs/musichub/business/AudioBook.html273
-rw-r--r--target/site/apidocs/musichub/business/AudioElement.html325
-rw-r--r--target/site/apidocs/musichub/business/Category.html258
-rw-r--r--target/site/apidocs/musichub/business/Genre.html266
-rw-r--r--target/site/apidocs/musichub/business/Language.html258
-rw-r--r--target/site/apidocs/musichub/business/MusicHub.html412
-rw-r--r--target/site/apidocs/musichub/business/NoAlbumFoundException.html150
-rw-r--r--target/site/apidocs/musichub/business/NoElementFoundException.html150
-rw-r--r--target/site/apidocs/musichub/business/NoPlayListFoundException.html150
-rw-r--r--target/site/apidocs/musichub/business/PlayList.html215
-rw-r--r--target/site/apidocs/musichub/business/Song.html251
-rw-r--r--target/site/apidocs/musichub/business/class-use/Album.html99
-rw-r--r--target/site/apidocs/musichub/business/class-use/AudioBook.html65
-rw-r--r--target/site/apidocs/musichub/business/class-use/AudioElement.html124
-rw-r--r--target/site/apidocs/musichub/business/class-use/Category.html101
-rw-r--r--target/site/apidocs/musichub/business/class-use/Genre.html98
-rw-r--r--target/site/apidocs/musichub/business/class-use/Language.html101
-rw-r--r--target/site/apidocs/musichub/business/class-use/MusicHub.html65
-rw-r--r--target/site/apidocs/musichub/business/class-use/NoAlbumFoundException.html101
-rw-r--r--target/site/apidocs/musichub/business/class-use/NoElementFoundException.html95
-rw-r--r--target/site/apidocs/musichub/business/class-use/NoPlayListFoundException.html94
-rw-r--r--target/site/apidocs/musichub/business/class-use/PlayList.html99
-rw-r--r--target/site/apidocs/musichub/business/class-use/Song.html90
-rw-r--r--target/site/apidocs/musichub/business/package-summary.html116
-rw-r--r--target/site/apidocs/musichub/business/package-tree.html114
-rw-r--r--target/site/apidocs/musichub/business/package-use.html105
27 files changed, 0 insertions, 4425 deletions
diff --git a/target/site/apidocs/musichub/business/Album.html b/target/site/apidocs/musichub/business/Album.html
deleted file mode 100644
index fd0beaa..0000000
--- a/target/site/apidocs/musichub/business/Album.html
+++ /dev/null
@@ -1,250 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>Album (spoteezer 0.1.0 API)</title>
-<meta name="viewport" content="width=device-width, initial-scale=1">
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2021-06-26">
-<meta name="description" content="declaration: package: musichub.business, class: Album">
-<meta name="generator" content="javadoc/ClassWriterImpl">
-<link rel="stylesheet" type="text/css" href="../../stylesheet.css" title="Style">
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-<script type="text/javascript" src="../../script-dir/jquery-3.5.1.min.js"></script>
-<script type="text/javascript" src="../../script-dir/jquery-ui.min.js"></script>
-</head>
-<body class="class-declaration-page">
-<script type="text/javascript">var evenRowColor = "even-row-color";
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-<!-- ========= START OF TOP NAVBAR ======= -->
-<div class="top-nav" id="navbar.top">
-<div class="skip-nav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
-<ul id="navbar.top.firstrow" class="nav-list" title="Navigation">
-<li><a href="../../index.html">Overview</a></li>
-<li><a href="package-summary.html">Package</a></li>
-<li class="nav-bar-cell1-rev">Class</li>
-<li><a href="class-use/Album.html">Use</a></li>
-<li><a href="package-tree.html">Tree</a></li>
-<li><a href="../../index-all.html">Index</a></li>
-<li><a href="../../help-doc.html">Help</a></li>
-</ul>
-</div>
-<div class="sub-nav">
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-<ul class="sub-nav-list">
-<li>Summary:&nbsp;</li>
-<li>Nested&nbsp;|&nbsp;</li>
-<li>Field&nbsp;|&nbsp;</li>
-<li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>
-<li><a href="#method.summary">Method</a></li>
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-<li>Detail:&nbsp;</li>
-<li>Field&nbsp;|&nbsp;</li>
-<li><a href="#constructor.detail">Constr</a>&nbsp;|&nbsp;</li>
-<li><a href="#method.detail">Method</a></li>
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-<!-- -->
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-<!-- ======== START OF CLASS DATA ======== -->
-<div class="header">
-<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">musichub.business</a></div>
-<h1 title="Class Album" class="title">Class Album</h1>
-</div>
-<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
-<div class="inheritance">musichub.business.Album</div>
-</div>
-<section class="description">
-<hr>
-<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">Album</span>
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-</section>
-<section class="summary">
-<ul class="summary-list">
-<!-- ======== CONSTRUCTOR SUMMARY ======== -->
-<li>
-<section class="constructor-summary" id="constructor.summary">
-<h2>Constructor Summary</h2>
-<div class="caption"><span>Constructors</span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Constructor</div>
-<div class="table-header col-last">Description</div>
-<div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(java.lang.String,java.lang.String,int,java.lang.String)">Album</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;title,
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- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;artist,
- int&nbsp;lengthInSeconds,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;date,
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-<div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(org.w3c.dom.Element)">Album</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;xmlElement)</code></div>
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-</div>
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-</li>
-<!-- ========== METHOD SUMMARY =========== -->
-<li>
-<section class="method-summary" id="method.summary">
-<h2>Method Summary</h2>
-<div id="method-summary-table">
-<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
-<div id="method-summary-table.tabpanel" role="tabpanel">
-<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#addSong(java.util.UUID)">addSong</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/UUID.html" title="class or interface in java.util" class="external-link">UUID</a>&nbsp;song)</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#createXMLElement(org.w3c.dom.Document,org.w3c.dom.Element)">createXMLElement</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Document.html" title="class or interface in org.w3c.dom" class="external-link">Document</a>&nbsp;document,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;parentElement)</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Date.html" title="class or interface in java.util" class="external-link">Date</a></code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getDate()">getDate</a></span>()</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/UUID.html" title="class or interface in java.util" class="external-link">UUID</a>&gt;</code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getSongs()">getSongs</a></span>()</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/ArrayList.html" title="class or interface in java.util" class="external-link">ArrayList</a>&lt;<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/UUID.html" title="class or interface in java.util" class="external-link">UUID</a>&gt;</code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getSongsRandomly()">getSongsRandomly</a></span>()</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getTitle()">getTitle</a></span>()</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-</div>
-</div>
-</div>
-<div class="inherited-list">
-<h3 id="methods.inherited.from.class.java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
-<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
-</section>
-</li>
-</ul>
-</section>
-<section class="details">
-<ul class="details-list">
-<!-- ========= CONSTRUCTOR DETAIL ======== -->
-<li>
-<section class="constructor-details" id="constructor.detail">
-<h2>Constructor Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="&lt;init&gt;(java.lang.String,java.lang.String,int,java.lang.String,java.lang.String,java.util.ArrayList)">
-<h3>Album</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">Album</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;title,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;artist,
- int&nbsp;lengthInSeconds,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;date,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/ArrayList.html" title="class or interface in java.util" class="external-link">ArrayList</a>&lt;<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/UUID.html" title="class or interface in java.util" class="external-link">UUID</a>&gt;&nbsp;songsUIDs)</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="&lt;init&gt;(java.lang.String,java.lang.String,int,java.lang.String)">
-<h3>Album</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">Album</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;title,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;artist,
- int&nbsp;lengthInSeconds,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;date)</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="&lt;init&gt;(org.w3c.dom.Element)">
-<h3>Album</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">Album</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;xmlElement)</span>
- throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></span></div>
-<dl class="notes">
-<dt>Throws:</dt>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></code></dd>
-</dl>
-</section>
-</li>
-</ul>
-</section>
-</li>
-<!-- ============ METHOD DETAIL ========== -->
-<li>
-<section class="method-details" id="method.detail">
-<h2>Method Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="addSong(java.util.UUID)">
-<h3>addSong</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">addSong</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/UUID.html" title="class or interface in java.util" class="external-link">UUID</a>&nbsp;song)</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="getSongs()">
-<h3>getSongs</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/UUID.html" title="class or interface in java.util" class="external-link">UUID</a>&gt;</span>&nbsp;<span class="element-name">getSongs</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="getSongsRandomly()">
-<h3>getSongsRandomly</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/ArrayList.html" title="class or interface in java.util" class="external-link">ArrayList</a>&lt;<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/UUID.html" title="class or interface in java.util" class="external-link">UUID</a>&gt;</span>&nbsp;<span class="element-name">getSongsRandomly</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="getTitle()">
-<h3>getTitle</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getTitle</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="getDate()">
-<h3>getDate</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Date.html" title="class or interface in java.util" class="external-link">Date</a></span>&nbsp;<span class="element-name">getDate</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="createXMLElement(org.w3c.dom.Document,org.w3c.dom.Element)">
-<h3>createXMLElement</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">createXMLElement</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Document.html" title="class or interface in org.w3c.dom" class="external-link">Document</a>&nbsp;document,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;parentElement)</span></div>
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diff --git a/target/site/apidocs/musichub/business/AudioBook.html b/target/site/apidocs/musichub/business/AudioBook.html
deleted file mode 100644
index 211e1b0..0000000
--- a/target/site/apidocs/musichub/business/AudioBook.html
+++ /dev/null
@@ -1,273 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>AudioBook (spoteezer 0.1.0 API)</title>
-<meta name="viewport" content="width=device-width, initial-scale=1">
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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-<meta name="description" content="declaration: package: musichub.business, class: AudioBook">
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-<!-- ======== START OF CLASS DATA ======== -->
-<div class="header">
-<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">musichub.business</a></div>
-<h1 title="Class AudioBook" class="title">Class AudioBook</h1>
-</div>
-<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
-<div class="inheritance"><a href="AudioElement.html" title="class in musichub.business">musichub.business.AudioElement</a>
-<div class="inheritance">musichub.business.AudioBook</div>
-</div>
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-<section class="description">
-<hr>
-<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">AudioBook</span>
-<span class="extends-implements">extends <a href="AudioElement.html" title="class in musichub.business">AudioElement</a></span></div>
-</section>
-<section class="summary">
-<ul class="summary-list">
-<!-- =========== FIELD SUMMARY =========== -->
-<li>
-<section class="field-summary" id="field.summary">
-<h2>Field Summary</h2>
-<div class="inherited-list">
-<h3 id="fields.inherited.from.class.musichub.business.AudioElement">Fields inherited from class&nbsp;musichub.business.<a href="AudioElement.html" title="class in musichub.business">AudioElement</a></h3>
-<code><a href="AudioElement.html#artist">artist</a>, <a href="AudioElement.html#content">content</a>, <a href="AudioElement.html#lengthInSeconds">lengthInSeconds</a>, <a href="AudioElement.html#title">title</a>, <a href="AudioElement.html#uuid">uuid</a></code></div>
-</section>
-</li>
-<!-- ======== CONSTRUCTOR SUMMARY ======== -->
-<li>
-<section class="constructor-summary" id="constructor.summary">
-<h2>Constructor Summary</h2>
-<div class="caption"><span>Constructors</span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Constructor</div>
-<div class="table-header col-last">Description</div>
-<div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(java.lang.String,java.lang.String,int,java.lang.String,java.lang.String,java.lang.String)">AudioBook</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;title,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;artist,
- int&nbsp;lengthInSeconds,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;content,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;language,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;category)</code></div>
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- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;artist,
- int&nbsp;lengthInSeconds,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;uid,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;content,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;language,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;category)</code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(org.w3c.dom.Element)">AudioBook</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;xmlElement)</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
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-<!-- ========== METHOD SUMMARY =========== -->
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-<section class="method-summary" id="method.summary">
-<h2>Method Summary</h2>
-<div id="method-summary-table">
-<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
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-<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#createXMLElement(org.w3c.dom.Document,org.w3c.dom.Element)">createXMLElement</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Document.html" title="class or interface in org.w3c.dom" class="external-link">Document</a>&nbsp;document,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;parentElement)</code></div>
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-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getCategory()">getCategory</a></span>()</code></div>
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-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="Language.html" title="enum class in musichub.business">Language</a></code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getLanguage()">getLanguage</a></span>()</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#setCategory(java.lang.String)">setCategory</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;category)</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
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-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#toString()">toString</a></span>()</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-</div>
-</div>
-</div>
-<div class="inherited-list">
-<h3 id="methods.inherited.from.class.musichub.business.AudioElement">Methods inherited from class&nbsp;musichub.business.<a href="AudioElement.html" title="class in musichub.business">AudioElement</a></h3>
-<code><a href="AudioElement.html#getArtist()">getArtist</a>, <a href="AudioElement.html#getTitle()">getTitle</a>, <a href="AudioElement.html#getUUID()">getUUID</a>, <a href="AudioElement.html#manageAudioElement()">manageAudioElement</a></code></div>
-<div class="inherited-list">
-<h3 id="methods.inherited.from.class.java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
-<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
-</section>
-</li>
-</ul>
-</section>
-<section class="details">
-<ul class="details-list">
-<!-- ========= CONSTRUCTOR DETAIL ======== -->
-<li>
-<section class="constructor-details" id="constructor.detail">
-<h2>Constructor Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="&lt;init&gt;(java.lang.String,java.lang.String,int,java.lang.String,java.lang.String,java.lang.String,java.lang.String)">
-<h3>AudioBook</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">AudioBook</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;title,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;artist,
- int&nbsp;lengthInSeconds,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;uid,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;content,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;language,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;category)</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="&lt;init&gt;(java.lang.String,java.lang.String,int,java.lang.String,java.lang.String,java.lang.String)">
-<h3>AudioBook</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">AudioBook</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;title,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;artist,
- int&nbsp;lengthInSeconds,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;content,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;language,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;category)</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="&lt;init&gt;(org.w3c.dom.Element)">
-<h3>AudioBook</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">AudioBook</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;xmlElement)</span></div>
-</section>
-</li>
-</ul>
-</section>
-</li>
-<!-- ============ METHOD DETAIL ========== -->
-<li>
-<section class="method-details" id="method.detail">
-<h2>Method Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="getLanguage()">
-<h3>getLanguage</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="Language.html" title="enum class in musichub.business">Language</a></span>&nbsp;<span class="element-name">getLanguage</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="setLanguage(java.lang.String)">
-<h3>setLanguage</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setLanguage</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;language)</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="getCategory()">
-<h3>getCategory</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="Category.html" title="enum class in musichub.business">Category</a></span>&nbsp;<span class="element-name">getCategory</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="setCategory(java.lang.String)">
-<h3>setCategory</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setCategory</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;category)</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="toString()">
-<h3>toString</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">toString</span>()</div>
-<dl class="notes">
-<dt>Overrides:</dt>
-<dd><code><a href="AudioElement.html#toString()">toString</a></code>&nbsp;in class&nbsp;<code><a href="AudioElement.html" title="class in musichub.business">AudioElement</a></code></dd>
-</dl>
-</section>
-</li>
-<li>
-<section class="detail" id="createXMLElement(org.w3c.dom.Document,org.w3c.dom.Element)">
-<h3>createXMLElement</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">createXMLElement</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Document.html" title="class or interface in org.w3c.dom" class="external-link">Document</a>&nbsp;document,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;parentElement)</span></div>
-<dl class="notes">
-<dt>Overrides:</dt>
-<dd><code><a href="AudioElement.html#createXMLElement(org.w3c.dom.Document,org.w3c.dom.Element)">createXMLElement</a></code>&nbsp;in class&nbsp;<code><a href="AudioElement.html" title="class in musichub.business">AudioElement</a></code></dd>
-</dl>
-</section>
-</li>
-</ul>
-</section>
-</li>
-</ul>
-</section>
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diff --git a/target/site/apidocs/musichub/business/AudioElement.html b/target/site/apidocs/musichub/business/AudioElement.html
deleted file mode 100644
index fe6ad42..0000000
--- a/target/site/apidocs/musichub/business/AudioElement.html
+++ /dev/null
@@ -1,325 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>AudioElement (spoteezer 0.1.0 API)</title>
-<meta name="viewport" content="width=device-width, initial-scale=1">
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2021-06-26">
-<meta name="description" content="declaration: package: musichub.business, class: AudioElement">
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-<div class="header">
-<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">musichub.business</a></div>
-<h1 title="Class AudioElement" class="title">Class AudioElement</h1>
-</div>
-<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
-<div class="inheritance">musichub.business.AudioElement</div>
-</div>
-<section class="description">
-<dl class="notes">
-<dt>Direct Known Subclasses:</dt>
-<dd><code><a href="AudioBook.html" title="class in musichub.business">AudioBook</a></code>, <code><a href="Song.html" title="class in musichub.business">Song</a></code></dd>
-</dl>
-<hr>
-<div class="type-signature"><span class="modifiers">public abstract class </span><span class="element-name type-name-label">AudioElement</span>
-<span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div>
-</section>
-<section class="summary">
-<ul class="summary-list">
-<!-- =========== FIELD SUMMARY =========== -->
-<li>
-<section class="field-summary" id="field.summary">
-<h2>Field Summary</h2>
-<div class="caption"><span>Fields</span></div>
-<div class="summary-table three-column-summary">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Field</div>
-<div class="table-header col-last">Description</div>
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-<div class="col-last even-row-color">&nbsp;</div>
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-<div class="col-last odd-row-color">&nbsp;</div>
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-<div class="col-second odd-row-color"><code><span class="member-name-link"><a href="#title">title</a></span></code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
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-<div class="col-last even-row-color">&nbsp;</div>
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-</li>
-<!-- ======== CONSTRUCTOR SUMMARY ======== -->
-<li>
-<section class="constructor-summary" id="constructor.summary">
-<h2>Constructor Summary</h2>
-<div class="caption"><span>Constructors</span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Constructor</div>
-<div class="table-header col-last">Description</div>
-<div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(java.lang.String,java.lang.String,int,java.lang.String)">AudioElement</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;title,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;artist,
- int&nbsp;lengthInSeconds,
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- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;artist,
- int&nbsp;lengthInSeconds,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;content)</code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(org.w3c.dom.Element)">AudioElement</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;xmlElement)</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
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-<li>
-<section class="method-summary" id="method.summary">
-<h2>Method Summary</h2>
-<div id="method-summary-table">
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-<div id="method-summary-table.tabpanel" role="tabpanel">
-<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#createXMLElement(org.w3c.dom.Document,org.w3c.dom.Element)">createXMLElement</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Document.html" title="class or interface in org.w3c.dom" class="external-link">Document</a>&nbsp;document,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;parentElement)</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getArtist()">getArtist</a></span>()</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getTitle()">getTitle</a></span>()</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/UUID.html" title="class or interface in java.util" class="external-link">UUID</a></code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getUUID()">getUUID</a></span>()</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#manageAudioElement()">manageAudioElement</a></span>()</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#toString()">toString</a></span>()</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-</div>
-</div>
-</div>
-<div class="inherited-list">
-<h3 id="methods.inherited.from.class.java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
-<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
-</section>
-</li>
-</ul>
-</section>
-<section class="details">
-<ul class="details-list">
-<!-- ============ FIELD DETAIL =========== -->
-<li>
-<section class="field-details" id="field.detail">
-<h2>Field Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="title">
-<h3>title</h3>
-<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">title</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="artist">
-<h3>artist</h3>
-<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">artist</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="lengthInSeconds">
-<h3>lengthInSeconds</h3>
-<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">lengthInSeconds</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="uuid">
-<h3>uuid</h3>
-<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/UUID.html" title="class or interface in java.util" class="external-link">UUID</a></span>&nbsp;<span class="element-name">uuid</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="content">
-<h3>content</h3>
-<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">content</span></div>
-</section>
-</li>
-</ul>
-</section>
-</li>
-<!-- ========= CONSTRUCTOR DETAIL ======== -->
-<li>
-<section class="constructor-details" id="constructor.detail">
-<h2>Constructor Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="&lt;init&gt;(java.lang.String,java.lang.String,int,java.lang.String,java.lang.String)">
-<h3>AudioElement</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">AudioElement</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;title,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;artist,
- int&nbsp;lengthInSeconds,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;content)</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="&lt;init&gt;(java.lang.String,java.lang.String,int,java.lang.String)">
-<h3>AudioElement</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">AudioElement</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;title,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;artist,
- int&nbsp;lengthInSeconds,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;content)</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="&lt;init&gt;(org.w3c.dom.Element)">
-<h3>AudioElement</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">AudioElement</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;xmlElement)</span></div>
-</section>
-</li>
-</ul>
-</section>
-</li>
-<!-- ============ METHOD DETAIL ========== -->
-<li>
-<section class="method-details" id="method.detail">
-<h2>Method Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="getUUID()">
-<h3>getUUID</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/UUID.html" title="class or interface in java.util" class="external-link">UUID</a></span>&nbsp;<span class="element-name">getUUID</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="getArtist()">
-<h3>getArtist</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getArtist</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="getTitle()">
-<h3>getTitle</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getTitle</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="toString()">
-<h3>toString</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">toString</span>()</div>
-<dl class="notes">
-<dt>Overrides:</dt>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></dd>
-</dl>
-</section>
-</li>
-<li>
-<section class="detail" id="createXMLElement(org.w3c.dom.Document,org.w3c.dom.Element)">
-<h3>createXMLElement</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">createXMLElement</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Document.html" title="class or interface in org.w3c.dom" class="external-link">Document</a>&nbsp;document,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;parentElement)</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="manageAudioElement()">
-<h3>manageAudioElement</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">manageAudioElement</span>()
- throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/sound/sampled/UnsupportedAudioFileException.html" title="class or interface in javax.sound.sampled" class="external-link">UnsupportedAudioFileException</a>,
-<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a>,
-<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/sound/sampled/LineUnavailableException.html" title="class or interface in javax.sound.sampled" class="external-link">LineUnavailableException</a></span></div>
-<dl class="notes">
-<dt>Throws:</dt>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/sound/sampled/UnsupportedAudioFileException.html" title="class or interface in javax.sound.sampled" class="external-link">UnsupportedAudioFileException</a></code></dd>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/sound/sampled/LineUnavailableException.html" title="class or interface in javax.sound.sampled" class="external-link">LineUnavailableException</a></code></dd>
-</dl>
-</section>
-</li>
-</ul>
-</section>
-</li>
-</ul>
-</section>
-<!-- ========= END OF CLASS DATA ========= -->
-</main>
-<footer role="contentinfo">
-<hr>
-<p class="legal-copy"><small>Copyright &#169; 2021. All rights reserved.</small></p>
-</footer>
-</div>
-</div>
-</body>
-</html>
diff --git a/target/site/apidocs/musichub/business/Category.html b/target/site/apidocs/musichub/business/Category.html
deleted file mode 100644
index 4266493..0000000
--- a/target/site/apidocs/musichub/business/Category.html
+++ /dev/null
@@ -1,258 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>Category (spoteezer 0.1.0 API)</title>
-<meta name="viewport" content="width=device-width, initial-scale=1">
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2021-06-26">
-<meta name="description" content="declaration: package: musichub.business, enum: Category">
-<meta name="generator" content="javadoc/ClassWriterImpl">
-<link rel="stylesheet" type="text/css" href="../../stylesheet.css" title="Style">
-<link rel="stylesheet" type="text/css" href="../../script-dir/jquery-ui.min.css" title="Style">
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-<script type="text/javascript" src="../../script.js"></script>
-<script type="text/javascript" src="../../script-dir/jquery-3.5.1.min.js"></script>
-<script type="text/javascript" src="../../script-dir/jquery-ui.min.js"></script>
-</head>
-<body class="class-declaration-page">
-<script type="text/javascript">var evenRowColor = "even-row-color";
-var oddRowColor = "odd-row-color";
-var tableTab = "table-tab";
-var activeTableTab = "active-table-tab";
-var pathtoroot = "../../";
-loadScripts(document, 'script');</script>
-<noscript>
-<div>JavaScript is disabled on your browser.</div>
-</noscript>
-<div class="flex-box">
-<header role="banner" class="flex-header">
-<nav role="navigation">
-<!-- ========= START OF TOP NAVBAR ======= -->
-<div class="top-nav" id="navbar.top">
-<div class="skip-nav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
-<ul id="navbar.top.firstrow" class="nav-list" title="Navigation">
-<li><a href="../../index.html">Overview</a></li>
-<li><a href="package-summary.html">Package</a></li>
-<li class="nav-bar-cell1-rev">Class</li>
-<li><a href="class-use/Category.html">Use</a></li>
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-</ul>
-</div>
-<div class="sub-nav">
-<div>
-<ul class="sub-nav-list">
-<li>Summary:&nbsp;</li>
-<li><a href="#nested.class.summary">Nested</a>&nbsp;|&nbsp;</li>
-<li><a href="#enum.constant.summary">Enum Constants</a>&nbsp;|&nbsp;</li>
-<li>Field&nbsp;|&nbsp;</li>
-<li><a href="#method.summary">Method</a></li>
-</ul>
-<ul class="sub-nav-list">
-<li>Detail:&nbsp;</li>
-<li><a href="#enum.constant.detail">Enum Constants</a>&nbsp;|&nbsp;</li>
-<li>Field&nbsp;|&nbsp;</li>
-<li><a href="#method.detail">Method</a></li>
-</ul>
-</div>
-<div class="nav-list-search"><label for="search">SEARCH:</label>
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-<!-- ========= END OF TOP NAVBAR ========= -->
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-<!-- -->
-</span></nav>
-</header>
-<div class="flex-content">
-<main role="main">
-<!-- ======== START OF CLASS DATA ======== -->
-<div class="header">
-<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">musichub.business</a></div>
-<h1 title="Enum Class Category" class="title">Enum Class Category</h1>
-</div>
-<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
-<div class="inheritance"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">java.lang.Enum</a>&lt;<a href="Category.html" title="enum class in musichub.business">Category</a>&gt;
-<div class="inheritance">musichub.business.Category</div>
-</div>
-</div>
-<section class="description">
-<dl class="notes">
-<dt>All Implemented Interfaces:</dt>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a></code>, <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Comparable.html" title="class or interface in java.lang" class="external-link">Comparable</a>&lt;<a href="Category.html" title="enum class in musichub.business">Category</a>&gt;</code>, <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/constant/Constable.html" title="class or interface in java.lang.constant" class="external-link">Constable</a></code></dd>
-</dl>
-<hr>
-<div class="type-signature"><span class="modifiers">public enum </span><span class="element-name type-name-label">Category</span>
-<span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">Enum</a>&lt;<a href="Category.html" title="enum class in musichub.business">Category</a>&gt;</span></div>
-</section>
-<section class="summary">
-<ul class="summary-list">
-<!-- ======== NESTED CLASS SUMMARY ======== -->
-<li>
-<section class="nested-class-summary" id="nested.class.summary">
-<h2>Nested Class Summary</h2>
-<div class="inherited-list">
-<h2 id="nested.classes.inherited.from.class.java.lang.Enum">Nested classes/interfaces inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">Enum</a></h2>
-<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.EnumDesc.html" title="class or interface in java.lang" class="external-link">Enum.EnumDesc</a>&lt;<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.EnumDesc.html" title="class or interface in java.lang" class="external-link">E</a> extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">Enum</a>&lt;<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.EnumDesc.html" title="class or interface in java.lang" class="external-link">E</a>&gt;&gt;</code></div>
-</section>
-</li>
-<!-- =========== ENUM CONSTANT SUMMARY =========== -->
-<li>
-<section class="constants-summary" id="enum.constant.summary">
-<h2>Enum Constant Summary</h2>
-<div class="caption"><span>Enum Constants</span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Enum Constant</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code><span class="member-name-link"><a href="#DOCUMENTARY">DOCUMENTARY</a></span></code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code><span class="member-name-link"><a href="#NOVEL">NOVEL</a></span></code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-first even-row-color"><code><span class="member-name-link"><a href="#SPEECH">SPEECH</a></span></code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code><span class="member-name-link"><a href="#THEATER">THEATER</a></span></code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-first even-row-color"><code><span class="member-name-link"><a href="#YOUTH">YOUTH</a></span></code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-</section>
-</li>
-<!-- ========== METHOD SUMMARY =========== -->
-<li>
-<section class="method-summary" id="method.summary">
-<h2>Method Summary</h2>
-<div id="method-summary-table">
-<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
-<div id="method-summary-table.tabpanel" role="tabpanel">
-<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getCategory()">getCategory</a></span>()</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code>static <a href="Category.html" title="enum class in musichub.business">Category</a></code></div>
-<div class="col-second odd-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#valueOf(java.lang.String)">valueOf</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</code></div>
-<div class="col-last odd-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table">
-<div class="block">Returns the enum constant of this class with the specified name.</div>
-</div>
-<div class="col-first even-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code>static <a href="Category.html" title="enum class in musichub.business">Category</a>[]</code></div>
-<div class="col-second even-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#values()">values</a></span>()</code></div>
-<div class="col-last even-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table">
-<div class="block">Returns an array containing the constants of this enum class, in
-the order they are declared.</div>
-</div>
-</div>
-</div>
-</div>
-<div class="inherited-list">
-<h3 id="methods.inherited.from.class.java.lang.Enum">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">Enum</a></h3>
-<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#compareTo(E)" title="class or interface in java.lang" class="external-link">compareTo</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#describeConstable()" title="class or interface in java.lang" class="external-link">describeConstable</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#getDeclaringClass()" title="class or interface in java.lang" class="external-link">getDeclaringClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#name()" title="class or interface in java.lang" class="external-link">name</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#ordinal()" title="class or interface in java.lang" class="external-link">ordinal</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#valueOf(java.lang.Class,java.lang.String)" title="class or interface in java.lang" class="external-link">valueOf</a></code></div>
-<div class="inherited-list">
-<h3 id="methods.inherited.from.class.java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
-<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
-</section>
-</li>
-</ul>
-</section>
-<section class="details">
-<ul class="details-list">
-<!-- ============ ENUM CONSTANT DETAIL =========== -->
-<li>
-<section class="constant-details" id="enum.constant.detail">
-<h2>Enum Constant Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="YOUTH">
-<h3>YOUTH</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="Category.html" title="enum class in musichub.business">Category</a></span>&nbsp;<span class="element-name">YOUTH</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="NOVEL">
-<h3>NOVEL</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="Category.html" title="enum class in musichub.business">Category</a></span>&nbsp;<span class="element-name">NOVEL</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="THEATER">
-<h3>THEATER</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="Category.html" title="enum class in musichub.business">Category</a></span>&nbsp;<span class="element-name">THEATER</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="DOCUMENTARY">
-<h3>DOCUMENTARY</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="Category.html" title="enum class in musichub.business">Category</a></span>&nbsp;<span class="element-name">DOCUMENTARY</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="SPEECH">
-<h3>SPEECH</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="Category.html" title="enum class in musichub.business">Category</a></span>&nbsp;<span class="element-name">SPEECH</span></div>
-</section>
-</li>
-</ul>
-</section>
-</li>
-<!-- ============ METHOD DETAIL ========== -->
-<li>
-<section class="method-details" id="method.detail">
-<h2>Method Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="values()">
-<h3>values</h3>
-<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="Category.html" title="enum class in musichub.business">Category</a>[]</span>&nbsp;<span class="element-name">values</span>()</div>
-<div class="block">Returns an array containing the constants of this enum class, in
-the order they are declared.</div>
-<dl class="notes">
-<dt>Returns:</dt>
-<dd>an array containing the constants of this enum class, in the order they are declared</dd>
-</dl>
-</section>
-</li>
-<li>
-<section class="detail" id="valueOf(java.lang.String)">
-<h3>valueOf</h3>
-<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="Category.html" title="enum class in musichub.business">Category</a></span>&nbsp;<span class="element-name">valueOf</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</span></div>
-<div class="block">Returns the enum constant of this class with the specified name.
-The string must match <i>exactly</i> an identifier used to declare an
-enum constant in this class. (Extraneous whitespace characters are
-not permitted.)</div>
-<dl class="notes">
-<dt>Parameters:</dt>
-<dd><code>name</code> - the name of the enum constant to be returned.</dd>
-<dt>Returns:</dt>
-<dd>the enum constant with the specified name</dd>
-<dt>Throws:</dt>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - if this enum class has no constant with the specified name</dd>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if the argument is null</dd>
-</dl>
-</section>
-</li>
-<li>
-<section class="detail" id="getCategory()">
-<h3>getCategory</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getCategory</span>()</div>
-</section>
-</li>
-</ul>
-</section>
-</li>
-</ul>
-</section>
-<!-- ========= END OF CLASS DATA ========= -->
-</main>
-<footer role="contentinfo">
-<hr>
-<p class="legal-copy"><small>Copyright &#169; 2021. All rights reserved.</small></p>
-</footer>
-</div>
-</div>
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-</html>
diff --git a/target/site/apidocs/musichub/business/Genre.html b/target/site/apidocs/musichub/business/Genre.html
deleted file mode 100644
index 96e2762..0000000
--- a/target/site/apidocs/musichub/business/Genre.html
+++ /dev/null
@@ -1,266 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>Genre (spoteezer 0.1.0 API)</title>
-<meta name="viewport" content="width=device-width, initial-scale=1">
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2021-06-26">
-<meta name="description" content="declaration: package: musichub.business, enum: Genre">
-<meta name="generator" content="javadoc/ClassWriterImpl">
-<link rel="stylesheet" type="text/css" href="../../stylesheet.css" title="Style">
-<link rel="stylesheet" type="text/css" href="../../script-dir/jquery-ui.min.css" title="Style">
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-<script type="text/javascript" src="../../script-dir/jquery-ui.min.js"></script>
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-<body class="class-declaration-page">
-<script type="text/javascript">var evenRowColor = "even-row-color";
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-var tableTab = "table-tab";
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-loadScripts(document, 'script');</script>
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-<div>JavaScript is disabled on your browser.</div>
-</noscript>
-<div class="flex-box">
-<header role="banner" class="flex-header">
-<nav role="navigation">
-<!-- ========= START OF TOP NAVBAR ======= -->
-<div class="top-nav" id="navbar.top">
-<div class="skip-nav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
-<ul id="navbar.top.firstrow" class="nav-list" title="Navigation">
-<li><a href="../../index.html">Overview</a></li>
-<li><a href="package-summary.html">Package</a></li>
-<li class="nav-bar-cell1-rev">Class</li>
-<li><a href="class-use/Genre.html">Use</a></li>
-<li><a href="package-tree.html">Tree</a></li>
-<li><a href="../../index-all.html">Index</a></li>
-<li><a href="../../help-doc.html">Help</a></li>
-</ul>
-</div>
-<div class="sub-nav">
-<div>
-<ul class="sub-nav-list">
-<li>Summary:&nbsp;</li>
-<li><a href="#nested.class.summary">Nested</a>&nbsp;|&nbsp;</li>
-<li><a href="#enum.constant.summary">Enum Constants</a>&nbsp;|&nbsp;</li>
-<li>Field&nbsp;|&nbsp;</li>
-<li><a href="#method.summary">Method</a></li>
-</ul>
-<ul class="sub-nav-list">
-<li>Detail:&nbsp;</li>
-<li><a href="#enum.constant.detail">Enum Constants</a>&nbsp;|&nbsp;</li>
-<li>Field&nbsp;|&nbsp;</li>
-<li><a href="#method.detail">Method</a></li>
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-<!-- -->
-</span></nav>
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-<main role="main">
-<!-- ======== START OF CLASS DATA ======== -->
-<div class="header">
-<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">musichub.business</a></div>
-<h1 title="Enum Class Genre" class="title">Enum Class Genre</h1>
-</div>
-<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
-<div class="inheritance"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">java.lang.Enum</a>&lt;<a href="Genre.html" title="enum class in musichub.business">Genre</a>&gt;
-<div class="inheritance">musichub.business.Genre</div>
-</div>
-</div>
-<section class="description">
-<dl class="notes">
-<dt>All Implemented Interfaces:</dt>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a></code>, <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Comparable.html" title="class or interface in java.lang" class="external-link">Comparable</a>&lt;<a href="Genre.html" title="enum class in musichub.business">Genre</a>&gt;</code>, <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/constant/Constable.html" title="class or interface in java.lang.constant" class="external-link">Constable</a></code></dd>
-</dl>
-<hr>
-<div class="type-signature"><span class="modifiers">public enum </span><span class="element-name type-name-label">Genre</span>
-<span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">Enum</a>&lt;<a href="Genre.html" title="enum class in musichub.business">Genre</a>&gt;</span></div>
-</section>
-<section class="summary">
-<ul class="summary-list">
-<!-- ======== NESTED CLASS SUMMARY ======== -->
-<li>
-<section class="nested-class-summary" id="nested.class.summary">
-<h2>Nested Class Summary</h2>
-<div class="inherited-list">
-<h2 id="nested.classes.inherited.from.class.java.lang.Enum">Nested classes/interfaces inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">Enum</a></h2>
-<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.EnumDesc.html" title="class or interface in java.lang" class="external-link">Enum.EnumDesc</a>&lt;<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.EnumDesc.html" title="class or interface in java.lang" class="external-link">E</a> extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">Enum</a>&lt;<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.EnumDesc.html" title="class or interface in java.lang" class="external-link">E</a>&gt;&gt;</code></div>
-</section>
-</li>
-<!-- =========== ENUM CONSTANT SUMMARY =========== -->
-<li>
-<section class="constants-summary" id="enum.constant.summary">
-<h2>Enum Constant Summary</h2>
-<div class="caption"><span>Enum Constants</span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Enum Constant</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code><span class="member-name-link"><a href="#CLASSIC">CLASSIC</a></span></code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code><span class="member-name-link"><a href="#HIPHOP">HIPHOP</a></span></code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-first even-row-color"><code><span class="member-name-link"><a href="#JAZZ">JAZZ</a></span></code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code><span class="member-name-link"><a href="#POP">POP</a></span></code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-first even-row-color"><code><span class="member-name-link"><a href="#RAP">RAP</a></span></code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code><span class="member-name-link"><a href="#ROCK">ROCK</a></span></code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-</div>
-</section>
-</li>
-<!-- ========== METHOD SUMMARY =========== -->
-<li>
-<section class="method-summary" id="method.summary">
-<h2>Method Summary</h2>
-<div id="method-summary-table">
-<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
-<div id="method-summary-table.tabpanel" role="tabpanel">
-<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getGenre()">getGenre</a></span>()</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code>static <a href="Genre.html" title="enum class in musichub.business">Genre</a></code></div>
-<div class="col-second odd-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#valueOf(java.lang.String)">valueOf</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</code></div>
-<div class="col-last odd-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table">
-<div class="block">Returns the enum constant of this class with the specified name.</div>
-</div>
-<div class="col-first even-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code>static <a href="Genre.html" title="enum class in musichub.business">Genre</a>[]</code></div>
-<div class="col-second even-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#values()">values</a></span>()</code></div>
-<div class="col-last even-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table">
-<div class="block">Returns an array containing the constants of this enum class, in
-the order they are declared.</div>
-</div>
-</div>
-</div>
-</div>
-<div class="inherited-list">
-<h3 id="methods.inherited.from.class.java.lang.Enum">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">Enum</a></h3>
-<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#compareTo(E)" title="class or interface in java.lang" class="external-link">compareTo</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#describeConstable()" title="class or interface in java.lang" class="external-link">describeConstable</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#getDeclaringClass()" title="class or interface in java.lang" class="external-link">getDeclaringClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#name()" title="class or interface in java.lang" class="external-link">name</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#ordinal()" title="class or interface in java.lang" class="external-link">ordinal</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#valueOf(java.lang.Class,java.lang.String)" title="class or interface in java.lang" class="external-link">valueOf</a></code></div>
-<div class="inherited-list">
-<h3 id="methods.inherited.from.class.java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
-<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
-</section>
-</li>
-</ul>
-</section>
-<section class="details">
-<ul class="details-list">
-<!-- ============ ENUM CONSTANT DETAIL =========== -->
-<li>
-<section class="constant-details" id="enum.constant.detail">
-<h2>Enum Constant Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="JAZZ">
-<h3>JAZZ</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="Genre.html" title="enum class in musichub.business">Genre</a></span>&nbsp;<span class="element-name">JAZZ</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="CLASSIC">
-<h3>CLASSIC</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="Genre.html" title="enum class in musichub.business">Genre</a></span>&nbsp;<span class="element-name">CLASSIC</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="HIPHOP">
-<h3>HIPHOP</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="Genre.html" title="enum class in musichub.business">Genre</a></span>&nbsp;<span class="element-name">HIPHOP</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="ROCK">
-<h3>ROCK</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="Genre.html" title="enum class in musichub.business">Genre</a></span>&nbsp;<span class="element-name">ROCK</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="POP">
-<h3>POP</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="Genre.html" title="enum class in musichub.business">Genre</a></span>&nbsp;<span class="element-name">POP</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="RAP">
-<h3>RAP</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="Genre.html" title="enum class in musichub.business">Genre</a></span>&nbsp;<span class="element-name">RAP</span></div>
-</section>
-</li>
-</ul>
-</section>
-</li>
-<!-- ============ METHOD DETAIL ========== -->
-<li>
-<section class="method-details" id="method.detail">
-<h2>Method Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="values()">
-<h3>values</h3>
-<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="Genre.html" title="enum class in musichub.business">Genre</a>[]</span>&nbsp;<span class="element-name">values</span>()</div>
-<div class="block">Returns an array containing the constants of this enum class, in
-the order they are declared.</div>
-<dl class="notes">
-<dt>Returns:</dt>
-<dd>an array containing the constants of this enum class, in the order they are declared</dd>
-</dl>
-</section>
-</li>
-<li>
-<section class="detail" id="valueOf(java.lang.String)">
-<h3>valueOf</h3>
-<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="Genre.html" title="enum class in musichub.business">Genre</a></span>&nbsp;<span class="element-name">valueOf</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</span></div>
-<div class="block">Returns the enum constant of this class with the specified name.
-The string must match <i>exactly</i> an identifier used to declare an
-enum constant in this class. (Extraneous whitespace characters are
-not permitted.)</div>
-<dl class="notes">
-<dt>Parameters:</dt>
-<dd><code>name</code> - the name of the enum constant to be returned.</dd>
-<dt>Returns:</dt>
-<dd>the enum constant with the specified name</dd>
-<dt>Throws:</dt>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - if this enum class has no constant with the specified name</dd>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if the argument is null</dd>
-</dl>
-</section>
-</li>
-<li>
-<section class="detail" id="getGenre()">
-<h3>getGenre</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getGenre</span>()</div>
-</section>
-</li>
-</ul>
-</section>
-</li>
-</ul>
-</section>
-<!-- ========= END OF CLASS DATA ========= -->
-</main>
-<footer role="contentinfo">
-<hr>
-<p class="legal-copy"><small>Copyright &#169; 2021. All rights reserved.</small></p>
-</footer>
-</div>
-</div>
-</body>
-</html>
diff --git a/target/site/apidocs/musichub/business/Language.html b/target/site/apidocs/musichub/business/Language.html
deleted file mode 100644
index 6bebff8..0000000
--- a/target/site/apidocs/musichub/business/Language.html
+++ /dev/null
@@ -1,258 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>Language (spoteezer 0.1.0 API)</title>
-<meta name="viewport" content="width=device-width, initial-scale=1">
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2021-06-26">
-<meta name="description" content="declaration: package: musichub.business, enum: Language">
-<meta name="generator" content="javadoc/ClassWriterImpl">
-<link rel="stylesheet" type="text/css" href="../../stylesheet.css" title="Style">
-<link rel="stylesheet" type="text/css" href="../../script-dir/jquery-ui.min.css" title="Style">
-<link rel="stylesheet" type="text/css" href="../../jquery-ui.overrides.css" title="Style">
-<script type="text/javascript" src="../../script.js"></script>
-<script type="text/javascript" src="../../script-dir/jquery-3.5.1.min.js"></script>
-<script type="text/javascript" src="../../script-dir/jquery-ui.min.js"></script>
-</head>
-<body class="class-declaration-page">
-<script type="text/javascript">var evenRowColor = "even-row-color";
-var oddRowColor = "odd-row-color";
-var tableTab = "table-tab";
-var activeTableTab = "active-table-tab";
-var pathtoroot = "../../";
-loadScripts(document, 'script');</script>
-<noscript>
-<div>JavaScript is disabled on your browser.</div>
-</noscript>
-<div class="flex-box">
-<header role="banner" class="flex-header">
-<nav role="navigation">
-<!-- ========= START OF TOP NAVBAR ======= -->
-<div class="top-nav" id="navbar.top">
-<div class="skip-nav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
-<ul id="navbar.top.firstrow" class="nav-list" title="Navigation">
-<li><a href="../../index.html">Overview</a></li>
-<li><a href="package-summary.html">Package</a></li>
-<li class="nav-bar-cell1-rev">Class</li>
-<li><a href="class-use/Language.html">Use</a></li>
-<li><a href="package-tree.html">Tree</a></li>
-<li><a href="../../index-all.html">Index</a></li>
-<li><a href="../../help-doc.html">Help</a></li>
-</ul>
-</div>
-<div class="sub-nav">
-<div>
-<ul class="sub-nav-list">
-<li>Summary:&nbsp;</li>
-<li><a href="#nested.class.summary">Nested</a>&nbsp;|&nbsp;</li>
-<li><a href="#enum.constant.summary">Enum Constants</a>&nbsp;|&nbsp;</li>
-<li>Field&nbsp;|&nbsp;</li>
-<li><a href="#method.summary">Method</a></li>
-</ul>
-<ul class="sub-nav-list">
-<li>Detail:&nbsp;</li>
-<li><a href="#enum.constant.detail">Enum Constants</a>&nbsp;|&nbsp;</li>
-<li>Field&nbsp;|&nbsp;</li>
-<li><a href="#method.detail">Method</a></li>
-</ul>
-</div>
-<div class="nav-list-search"><label for="search">SEARCH:</label>
-<input type="text" id="search" value="search" disabled="disabled">
-<input type="reset" id="reset" value="reset" disabled="disabled">
-</div>
-</div>
-<!-- ========= END OF TOP NAVBAR ========= -->
-<span class="skip-nav" id="skip.navbar.top">
-<!-- -->
-</span></nav>
-</header>
-<div class="flex-content">
-<main role="main">
-<!-- ======== START OF CLASS DATA ======== -->
-<div class="header">
-<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">musichub.business</a></div>
-<h1 title="Enum Class Language" class="title">Enum Class Language</h1>
-</div>
-<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
-<div class="inheritance"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">java.lang.Enum</a>&lt;<a href="Language.html" title="enum class in musichub.business">Language</a>&gt;
-<div class="inheritance">musichub.business.Language</div>
-</div>
-</div>
-<section class="description">
-<dl class="notes">
-<dt>All Implemented Interfaces:</dt>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a></code>, <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Comparable.html" title="class or interface in java.lang" class="external-link">Comparable</a>&lt;<a href="Language.html" title="enum class in musichub.business">Language</a>&gt;</code>, <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/constant/Constable.html" title="class or interface in java.lang.constant" class="external-link">Constable</a></code></dd>
-</dl>
-<hr>
-<div class="type-signature"><span class="modifiers">public enum </span><span class="element-name type-name-label">Language</span>
-<span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">Enum</a>&lt;<a href="Language.html" title="enum class in musichub.business">Language</a>&gt;</span></div>
-</section>
-<section class="summary">
-<ul class="summary-list">
-<!-- ======== NESTED CLASS SUMMARY ======== -->
-<li>
-<section class="nested-class-summary" id="nested.class.summary">
-<h2>Nested Class Summary</h2>
-<div class="inherited-list">
-<h2 id="nested.classes.inherited.from.class.java.lang.Enum">Nested classes/interfaces inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">Enum</a></h2>
-<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.EnumDesc.html" title="class or interface in java.lang" class="external-link">Enum.EnumDesc</a>&lt;<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.EnumDesc.html" title="class or interface in java.lang" class="external-link">E</a> extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">Enum</a>&lt;<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.EnumDesc.html" title="class or interface in java.lang" class="external-link">E</a>&gt;&gt;</code></div>
-</section>
-</li>
-<!-- =========== ENUM CONSTANT SUMMARY =========== -->
-<li>
-<section class="constants-summary" id="enum.constant.summary">
-<h2>Enum Constant Summary</h2>
-<div class="caption"><span>Enum Constants</span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Enum Constant</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code><span class="member-name-link"><a href="#ENGLISH">ENGLISH</a></span></code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code><span class="member-name-link"><a href="#FRENCH">FRENCH</a></span></code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-first even-row-color"><code><span class="member-name-link"><a href="#GERMAN">GERMAN</a></span></code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code><span class="member-name-link"><a href="#ITALIAN">ITALIAN</a></span></code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-first even-row-color"><code><span class="member-name-link"><a href="#SPANISH">SPANISH</a></span></code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-</section>
-</li>
-<!-- ========== METHOD SUMMARY =========== -->
-<li>
-<section class="method-summary" id="method.summary">
-<h2>Method Summary</h2>
-<div id="method-summary-table">
-<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
-<div id="method-summary-table.tabpanel" role="tabpanel">
-<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getLanguage()">getLanguage</a></span>()</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code>static <a href="Language.html" title="enum class in musichub.business">Language</a></code></div>
-<div class="col-second odd-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#valueOf(java.lang.String)">valueOf</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</code></div>
-<div class="col-last odd-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table">
-<div class="block">Returns the enum constant of this class with the specified name.</div>
-</div>
-<div class="col-first even-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code>static <a href="Language.html" title="enum class in musichub.business">Language</a>[]</code></div>
-<div class="col-second even-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#values()">values</a></span>()</code></div>
-<div class="col-last even-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table">
-<div class="block">Returns an array containing the constants of this enum class, in
-the order they are declared.</div>
-</div>
-</div>
-</div>
-</div>
-<div class="inherited-list">
-<h3 id="methods.inherited.from.class.java.lang.Enum">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">Enum</a></h3>
-<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#compareTo(E)" title="class or interface in java.lang" class="external-link">compareTo</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#describeConstable()" title="class or interface in java.lang" class="external-link">describeConstable</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#getDeclaringClass()" title="class or interface in java.lang" class="external-link">getDeclaringClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#name()" title="class or interface in java.lang" class="external-link">name</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#ordinal()" title="class or interface in java.lang" class="external-link">ordinal</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html#valueOf(java.lang.Class,java.lang.String)" title="class or interface in java.lang" class="external-link">valueOf</a></code></div>
-<div class="inherited-list">
-<h3 id="methods.inherited.from.class.java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
-<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
-</section>
-</li>
-</ul>
-</section>
-<section class="details">
-<ul class="details-list">
-<!-- ============ ENUM CONSTANT DETAIL =========== -->
-<li>
-<section class="constant-details" id="enum.constant.detail">
-<h2>Enum Constant Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="FRENCH">
-<h3>FRENCH</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="Language.html" title="enum class in musichub.business">Language</a></span>&nbsp;<span class="element-name">FRENCH</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="ENGLISH">
-<h3>ENGLISH</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="Language.html" title="enum class in musichub.business">Language</a></span>&nbsp;<span class="element-name">ENGLISH</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="ITALIAN">
-<h3>ITALIAN</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="Language.html" title="enum class in musichub.business">Language</a></span>&nbsp;<span class="element-name">ITALIAN</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="SPANISH">
-<h3>SPANISH</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="Language.html" title="enum class in musichub.business">Language</a></span>&nbsp;<span class="element-name">SPANISH</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="GERMAN">
-<h3>GERMAN</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="Language.html" title="enum class in musichub.business">Language</a></span>&nbsp;<span class="element-name">GERMAN</span></div>
-</section>
-</li>
-</ul>
-</section>
-</li>
-<!-- ============ METHOD DETAIL ========== -->
-<li>
-<section class="method-details" id="method.detail">
-<h2>Method Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="values()">
-<h3>values</h3>
-<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="Language.html" title="enum class in musichub.business">Language</a>[]</span>&nbsp;<span class="element-name">values</span>()</div>
-<div class="block">Returns an array containing the constants of this enum class, in
-the order they are declared.</div>
-<dl class="notes">
-<dt>Returns:</dt>
-<dd>an array containing the constants of this enum class, in the order they are declared</dd>
-</dl>
-</section>
-</li>
-<li>
-<section class="detail" id="valueOf(java.lang.String)">
-<h3>valueOf</h3>
-<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="Language.html" title="enum class in musichub.business">Language</a></span>&nbsp;<span class="element-name">valueOf</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</span></div>
-<div class="block">Returns the enum constant of this class with the specified name.
-The string must match <i>exactly</i> an identifier used to declare an
-enum constant in this class. (Extraneous whitespace characters are
-not permitted.)</div>
-<dl class="notes">
-<dt>Parameters:</dt>
-<dd><code>name</code> - the name of the enum constant to be returned.</dd>
-<dt>Returns:</dt>
-<dd>the enum constant with the specified name</dd>
-<dt>Throws:</dt>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - if this enum class has no constant with the specified name</dd>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if the argument is null</dd>
-</dl>
-</section>
-</li>
-<li>
-<section class="detail" id="getLanguage()">
-<h3>getLanguage</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getLanguage</span>()</div>
-</section>
-</li>
-</ul>
-</section>
-</li>
-</ul>
-</section>
-<!-- ========= END OF CLASS DATA ========= -->
-</main>
-<footer role="contentinfo">
-<hr>
-<p class="legal-copy"><small>Copyright &#169; 2021. All rights reserved.</small></p>
-</footer>
-</div>
-</div>
-</body>
-</html>
diff --git a/target/site/apidocs/musichub/business/MusicHub.html b/target/site/apidocs/musichub/business/MusicHub.html
deleted file mode 100644
index 4af462c..0000000
--- a/target/site/apidocs/musichub/business/MusicHub.html
+++ /dev/null
@@ -1,412 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>MusicHub (spoteezer 0.1.0 API)</title>
-<meta name="viewport" content="width=device-width, initial-scale=1">
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-<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">musichub.business</a></div>
-<h1 title="Class MusicHub" class="title">Class MusicHub</h1>
-</div>
-<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
-<div class="inheritance">musichub.business.MusicHub</div>
-</div>
-<section class="description">
-<hr>
-<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">MusicHub</span>
-<span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div>
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-<!-- =========== FIELD SUMMARY =========== -->
-<li>
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-<h2>Field Summary</h2>
-<div class="caption"><span>Fields</span></div>
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-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Field</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code>static <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
-<div class="col-second even-row-color"><code><span class="member-name-link"><a href="#ALBUMS_FILE_PATH">ALBUMS_FILE_PATH</a></span></code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code>static <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
-<div class="col-second odd-row-color"><code><span class="member-name-link"><a href="#DIR">DIR</a></span></code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-first even-row-color"><code>static <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
-<div class="col-second even-row-color"><code><span class="member-name-link"><a href="#ELEMENTS_FILE_PATH">ELEMENTS_FILE_PATH</a></span></code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code>static <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
-<div class="col-second odd-row-color"><code><span class="member-name-link"><a href="#PLAYLISTS_FILE_PATH">PLAYLISTS_FILE_PATH</a></span></code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-</div>
-</section>
-</li>
-<!-- ======== CONSTRUCTOR SUMMARY ======== -->
-<li>
-<section class="constructor-summary" id="constructor.summary">
-<h2>Constructor Summary</h2>
-<div class="caption"><span>Constructors</span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Constructor</div>
-<div class="table-header col-last">Description</div>
-<div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E()">MusicHub</a></span>()</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-</section>
-</li>
-<!-- ========== METHOD SUMMARY =========== -->
-<li>
-<section class="method-summary" id="method.summary">
-<h2>Method Summary</h2>
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-<div id="method-summary-table.tabpanel" role="tabpanel">
-<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#addAlbum(musichub.business.Album)">addAlbum</a></span>&#8203;(<a href="Album.html" title="class in musichub.business">Album</a>&nbsp;album)</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#addElement(musichub.business.AudioElement)">addElement</a></span>&#8203;(<a href="AudioElement.html" title="class in musichub.business">AudioElement</a>&nbsp;element)</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#addElementToAlbum(java.lang.String,java.lang.String)">addElementToAlbum</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;elementTitle,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;albumTitle)</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#addElementToPlayList(java.lang.String,java.lang.String)">addElementToPlayList</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;elementTitle,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;playListTitle)</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#addPlaylist(musichub.business.PlayList)">addPlaylist</a></span>&#8203;(<a href="PlayList.html" title="class in musichub.business">PlayList</a>&nbsp;playlist)</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link">Iterator</a>&lt;<a href="Album.html" title="class in musichub.business">Album</a>&gt;</code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#albums()">albums</a></span>()</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#deletePlayList(java.lang.String)">deletePlayList</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;playListTitle)</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link">Iterator</a>&lt;<a href="AudioElement.html" title="class in musichub.business">AudioElement</a>&gt;</code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#elements()">elements</a></span>()</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="AudioElement.html" title="class in musichub.business">AudioElement</a>&gt;</code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getAlbumSongs(java.lang.String)">getAlbumSongs</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;albumTitle)</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="Song.html" title="class in musichub.business">Song</a>&gt;</code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getAlbumSongsSortedByGenre(java.lang.String)">getAlbumSongsSortedByGenre</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;albumTitle)</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getAlbumsTitlesSortedByDate()">getAlbumsTitlesSortedByDate</a></span>()</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getAudiobooksTitlesSortedByAuthor()">getAudiobooksTitlesSortedByAuthor</a></span>()</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getAudioElement(java.util.List,java.lang.String)">getAudioElement</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="AudioElement.html" title="class in musichub.business">AudioElement</a>&gt;&nbsp;audios,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;elementTitle)</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link">Iterator</a>&lt;<a href="PlayList.html" title="class in musichub.business">PlayList</a>&gt;</code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#playlists()">playlists</a></span>()</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#saveAlbums()">saveAlbums</a></span>()</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#saveElements()">saveElements</a></span>()</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#savePlayLists()">savePlayLists</a></span>()</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-</div>
-</div>
-</div>
-<div class="inherited-list">
-<h3 id="methods.inherited.from.class.java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
-<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
-</section>
-</li>
-</ul>
-</section>
-<section class="details">
-<ul class="details-list">
-<!-- ============ FIELD DETAIL =========== -->
-<li>
-<section class="field-details" id="field.detail">
-<h2>Field Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="DIR">
-<h3>DIR</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">DIR</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="ALBUMS_FILE_PATH">
-<h3>ALBUMS_FILE_PATH</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">ALBUMS_FILE_PATH</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="PLAYLISTS_FILE_PATH">
-<h3>PLAYLISTS_FILE_PATH</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">PLAYLISTS_FILE_PATH</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="ELEMENTS_FILE_PATH">
-<h3>ELEMENTS_FILE_PATH</h3>
-<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">ELEMENTS_FILE_PATH</span></div>
-</section>
-</li>
-</ul>
-</section>
-</li>
-<!-- ========= CONSTRUCTOR DETAIL ======== -->
-<li>
-<section class="constructor-details" id="constructor.detail">
-<h2>Constructor Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="&lt;init&gt;()">
-<h3>MusicHub</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">MusicHub</span>()</div>
-</section>
-</li>
-</ul>
-</section>
-</li>
-<!-- ============ METHOD DETAIL ========== -->
-<li>
-<section class="method-details" id="method.detail">
-<h2>Method Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="addElement(musichub.business.AudioElement)">
-<h3>addElement</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">addElement</span>&#8203;<span class="parameters">(<a href="AudioElement.html" title="class in musichub.business">AudioElement</a>&nbsp;element)</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="addAlbum(musichub.business.Album)">
-<h3>addAlbum</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">addAlbum</span>&#8203;<span class="parameters">(<a href="Album.html" title="class in musichub.business">Album</a>&nbsp;album)</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="addPlaylist(musichub.business.PlayList)">
-<h3>addPlaylist</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">addPlaylist</span>&#8203;<span class="parameters">(<a href="PlayList.html" title="class in musichub.business">PlayList</a>&nbsp;playlist)</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="deletePlayList(java.lang.String)">
-<h3>deletePlayList</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">deletePlayList</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;playListTitle)</span>
- throws <span class="exceptions"><a href="NoPlayListFoundException.html" title="class in musichub.business">NoPlayListFoundException</a></span></div>
-<dl class="notes">
-<dt>Throws:</dt>
-<dd><code><a href="NoPlayListFoundException.html" title="class in musichub.business">NoPlayListFoundException</a></code></dd>
-</dl>
-</section>
-</li>
-<li>
-<section class="detail" id="albums()">
-<h3>albums</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link">Iterator</a>&lt;<a href="Album.html" title="class in musichub.business">Album</a>&gt;</span>&nbsp;<span class="element-name">albums</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="playlists()">
-<h3>playlists</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link">Iterator</a>&lt;<a href="PlayList.html" title="class in musichub.business">PlayList</a>&gt;</span>&nbsp;<span class="element-name">playlists</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="elements()">
-<h3>elements</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link">Iterator</a>&lt;<a href="AudioElement.html" title="class in musichub.business">AudioElement</a>&gt;</span>&nbsp;<span class="element-name">elements</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="getAlbumsTitlesSortedByDate()">
-<h3>getAlbumsTitlesSortedByDate</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getAlbumsTitlesSortedByDate</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="getAudiobooksTitlesSortedByAuthor()">
-<h3>getAudiobooksTitlesSortedByAuthor</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getAudiobooksTitlesSortedByAuthor</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="getAlbumSongs(java.lang.String)">
-<h3>getAlbumSongs</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="AudioElement.html" title="class in musichub.business">AudioElement</a>&gt;</span>&nbsp;<span class="element-name">getAlbumSongs</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;albumTitle)</span>
- throws <span class="exceptions"><a href="NoAlbumFoundException.html" title="class in musichub.business">NoAlbumFoundException</a></span></div>
-<dl class="notes">
-<dt>Throws:</dt>
-<dd><code><a href="NoAlbumFoundException.html" title="class in musichub.business">NoAlbumFoundException</a></code></dd>
-</dl>
-</section>
-</li>
-<li>
-<section class="detail" id="getAlbumSongsSortedByGenre(java.lang.String)">
-<h3>getAlbumSongsSortedByGenre</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="Song.html" title="class in musichub.business">Song</a>&gt;</span>&nbsp;<span class="element-name">getAlbumSongsSortedByGenre</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;albumTitle)</span>
- throws <span class="exceptions"><a href="NoAlbumFoundException.html" title="class in musichub.business">NoAlbumFoundException</a></span></div>
-<dl class="notes">
-<dt>Throws:</dt>
-<dd><code><a href="NoAlbumFoundException.html" title="class in musichub.business">NoAlbumFoundException</a></code></dd>
-</dl>
-</section>
-</li>
-<li>
-<section class="detail" id="addElementToAlbum(java.lang.String,java.lang.String)">
-<h3>addElementToAlbum</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">addElementToAlbum</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;elementTitle,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;albumTitle)</span>
- throws <span class="exceptions"><a href="NoAlbumFoundException.html" title="class in musichub.business">NoAlbumFoundException</a>,
-<a href="NoElementFoundException.html" title="class in musichub.business">NoElementFoundException</a></span></div>
-<dl class="notes">
-<dt>Throws:</dt>
-<dd><code><a href="NoAlbumFoundException.html" title="class in musichub.business">NoAlbumFoundException</a></code></dd>
-<dd><code><a href="NoElementFoundException.html" title="class in musichub.business">NoElementFoundException</a></code></dd>
-</dl>
-</section>
-</li>
-<li>
-<section class="detail" id="addElementToPlayList(java.lang.String,java.lang.String)">
-<h3>addElementToPlayList</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">addElementToPlayList</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;elementTitle,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;playListTitle)</span>
- throws <span class="exceptions"><a href="NoPlayListFoundException.html" title="class in musichub.business">NoPlayListFoundException</a>,
-<a href="NoElementFoundException.html" title="class in musichub.business">NoElementFoundException</a></span></div>
-<dl class="notes">
-<dt>Throws:</dt>
-<dd><code><a href="NoPlayListFoundException.html" title="class in musichub.business">NoPlayListFoundException</a></code></dd>
-<dd><code><a href="NoElementFoundException.html" title="class in musichub.business">NoElementFoundException</a></code></dd>
-</dl>
-</section>
-</li>
-<li>
-<section class="detail" id="saveAlbums()">
-<h3>saveAlbums</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">saveAlbums</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="savePlayLists()">
-<h3>savePlayLists</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">savePlayLists</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="saveElements()">
-<h3>saveElements</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">saveElements</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="getAudioElement(java.util.List,java.lang.String)">
-<h3>getAudioElement</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">getAudioElement</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="AudioElement.html" title="class in musichub.business">AudioElement</a>&gt;&nbsp;audios,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;elementTitle)</span>
- throws <span class="exceptions"><a href="NoAlbumFoundException.html" title="class in musichub.business">NoAlbumFoundException</a>,
-<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/sound/sampled/UnsupportedAudioFileException.html" title="class or interface in javax.sound.sampled" class="external-link">UnsupportedAudioFileException</a>,
-<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a>,
-<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/sound/sampled/LineUnavailableException.html" title="class or interface in javax.sound.sampled" class="external-link">LineUnavailableException</a></span></div>
-<dl class="notes">
-<dt>Throws:</dt>
-<dd><code><a href="NoAlbumFoundException.html" title="class in musichub.business">NoAlbumFoundException</a></code></dd>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/sound/sampled/UnsupportedAudioFileException.html" title="class or interface in javax.sound.sampled" class="external-link">UnsupportedAudioFileException</a></code></dd>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/sound/sampled/LineUnavailableException.html" title="class or interface in javax.sound.sampled" class="external-link">LineUnavailableException</a></code></dd>
-</dl>
-</section>
-</li>
-</ul>
-</section>
-</li>
-</ul>
-</section>
-<!-- ========= END OF CLASS DATA ========= -->
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-<hr>
-<p class="legal-copy"><small>Copyright &#169; 2021. All rights reserved.</small></p>
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diff --git a/target/site/apidocs/musichub/business/NoAlbumFoundException.html b/target/site/apidocs/musichub/business/NoAlbumFoundException.html
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--- a/target/site/apidocs/musichub/business/NoAlbumFoundException.html
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-<title>NoAlbumFoundException (spoteezer 0.1.0 API)</title>
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-<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">musichub.business</a></div>
-<h1 title="Class NoAlbumFoundException" class="title">Class NoAlbumFoundException</h1>
-</div>
-<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
-<div class="inheritance"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Throwable.html" title="class or interface in java.lang" class="external-link">java.lang.Throwable</a>
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-<div class="inheritance">musichub.business.NoAlbumFoundException</div>
-</div>
-</div>
-</div>
-<section class="description">
-<dl class="notes">
-<dt>All Implemented Interfaces:</dt>
-<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a></code></dd>
-</dl>
-<hr>
-<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">NoAlbumFoundException</span>
-<span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></span></div>
-<dl class="notes">
-<dt>See Also:</dt>
-<dd><a href="../../serialized-form.html#musichub.business.NoAlbumFoundException">Serialized Form</a></dd>
-</dl>
-</section>
-<section class="summary">
-<ul class="summary-list">
-<!-- ======== CONSTRUCTOR SUMMARY ======== -->
-<li>
-<section class="constructor-summary" id="constructor.summary">
-<h2>Constructor Summary</h2>
-<div class="caption"><span>Constructors</span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Constructor</div>
-<div class="table-header col-last">Description</div>
-<div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(java.lang.String)">NoAlbumFoundException</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;msg)</code></div>
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-<!-- ========== METHOD SUMMARY =========== -->
-<li>
-<section class="method-summary" id="method.summary">
-<h2>Method Summary</h2>
-<div class="inherited-list">
-<h3 id="methods.inherited.from.class.java.lang.Throwable">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Throwable.html" title="class or interface in java.lang" class="external-link">Throwable</a></h3>
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diff --git a/target/site/apidocs/musichub/business/NoPlayListFoundException.html b/target/site/apidocs/musichub/business/NoPlayListFoundException.html
deleted file mode 100644
index 4a9413a..0000000
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-<h3 id="methods.inherited.from.class.java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
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-<h2>Constructor Details</h2>
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-<li>
-<section class="detail" id="&lt;init&gt;(java.lang.String)">
-<h3>NoPlayListFoundException</h3>
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diff --git a/target/site/apidocs/musichub/business/PlayList.html b/target/site/apidocs/musichub/business/PlayList.html
deleted file mode 100644
index a1ccc9b..0000000
--- a/target/site/apidocs/musichub/business/PlayList.html
+++ /dev/null
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-<li><a href="../../index.html">Overview</a></li>
-<li><a href="package-summary.html">Package</a></li>
-<li class="nav-bar-cell1-rev">Class</li>
-<li><a href="class-use/PlayList.html">Use</a></li>
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-<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">musichub.business</a></div>
-<h1 title="Class PlayList" class="title">Class PlayList</h1>
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-<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
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-<section class="detail" id="createXMLElement(org.w3c.dom.Document,org.w3c.dom.Element)">
-<h3>createXMLElement</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">createXMLElement</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Document.html" title="class or interface in org.w3c.dom" class="external-link">Document</a>&nbsp;document,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;parentElement)</span></div>
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-</ul>
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-</ul>
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-<!-- ========= END OF CLASS DATA ========= -->
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diff --git a/target/site/apidocs/musichub/business/Song.html b/target/site/apidocs/musichub/business/Song.html
deleted file mode 100644
index 82582dd..0000000
--- a/target/site/apidocs/musichub/business/Song.html
+++ /dev/null
@@ -1,251 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>Song (spoteezer 0.1.0 API)</title>
-<meta name="viewport" content="width=device-width, initial-scale=1">
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2021-06-26">
-<meta name="description" content="declaration: package: musichub.business, class: Song">
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-</head>
-<body class="class-declaration-page">
-<script type="text/javascript">var evenRowColor = "even-row-color";
-var oddRowColor = "odd-row-color";
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-loadScripts(document, 'script');</script>
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-<li>Summary:&nbsp;</li>
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-<div class="header">
-<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">musichub.business</a></div>
-<h1 title="Class Song" class="title">Class Song</h1>
-</div>
-<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
-<div class="inheritance"><a href="AudioElement.html" title="class in musichub.business">musichub.business.AudioElement</a>
-<div class="inheritance">musichub.business.Song</div>
-</div>
-</div>
-<section class="description">
-<hr>
-<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">Song</span>
-<span class="extends-implements">extends <a href="AudioElement.html" title="class in musichub.business">AudioElement</a></span></div>
-</section>
-<section class="summary">
-<ul class="summary-list">
-<!-- =========== FIELD SUMMARY =========== -->
-<li>
-<section class="field-summary" id="field.summary">
-<h2>Field Summary</h2>
-<div class="inherited-list">
-<h3 id="fields.inherited.from.class.musichub.business.AudioElement">Fields inherited from class&nbsp;musichub.business.<a href="AudioElement.html" title="class in musichub.business">AudioElement</a></h3>
-<code><a href="AudioElement.html#artist">artist</a>, <a href="AudioElement.html#content">content</a>, <a href="AudioElement.html#lengthInSeconds">lengthInSeconds</a>, <a href="AudioElement.html#title">title</a>, <a href="AudioElement.html#uuid">uuid</a></code></div>
-</section>
-</li>
-<!-- ======== CONSTRUCTOR SUMMARY ======== -->
-<li>
-<section class="constructor-summary" id="constructor.summary">
-<h2>Constructor Summary</h2>
-<div class="caption"><span>Constructors</span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Constructor</div>
-<div class="table-header col-last">Description</div>
-<div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(java.lang.String,java.lang.String,int,java.lang.String,java.lang.String)">Song</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;title,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;artist,
- int&nbsp;length,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;content,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;genre)</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-constructor-name odd-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(java.lang.String,java.lang.String,int,java.lang.String,java.lang.String,java.lang.String)">Song</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;title,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;artist,
- int&nbsp;length,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;uid,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;content,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;genre)</code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(org.w3c.dom.Element)">Song</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;xmlElement)</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-</section>
-</li>
-<!-- ========== METHOD SUMMARY =========== -->
-<li>
-<section class="method-summary" id="method.summary">
-<h2>Method Summary</h2>
-<div id="method-summary-table">
-<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
-<div id="method-summary-table.tabpanel" role="tabpanel">
-<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#createXMLElement(org.w3c.dom.Document,org.w3c.dom.Element)">createXMLElement</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Document.html" title="class or interface in org.w3c.dom" class="external-link">Document</a>&nbsp;document,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;parentElement)</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getGenre()">getGenre</a></span>()</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
-<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#setGenre(java.lang.String)">setGenre</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;genre)</code></div>
-<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-<div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
-<div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#toString()">toString</a></span>()</code></div>
-<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
-</div>
-</div>
-</div>
-<div class="inherited-list">
-<h3 id="methods.inherited.from.class.musichub.business.AudioElement">Methods inherited from class&nbsp;musichub.business.<a href="AudioElement.html" title="class in musichub.business">AudioElement</a></h3>
-<code><a href="AudioElement.html#getArtist()">getArtist</a>, <a href="AudioElement.html#getTitle()">getTitle</a>, <a href="AudioElement.html#getUUID()">getUUID</a>, <a href="AudioElement.html#manageAudioElement()">manageAudioElement</a></code></div>
-<div class="inherited-list">
-<h3 id="methods.inherited.from.class.java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
-<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
-</section>
-</li>
-</ul>
-</section>
-<section class="details">
-<ul class="details-list">
-<!-- ========= CONSTRUCTOR DETAIL ======== -->
-<li>
-<section class="constructor-details" id="constructor.detail">
-<h2>Constructor Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="&lt;init&gt;(java.lang.String,java.lang.String,int,java.lang.String,java.lang.String,java.lang.String)">
-<h3>Song</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">Song</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;title,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;artist,
- int&nbsp;length,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;uid,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;content,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;genre)</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="&lt;init&gt;(java.lang.String,java.lang.String,int,java.lang.String,java.lang.String)">
-<h3>Song</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">Song</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;title,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;artist,
- int&nbsp;length,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;content,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;genre)</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="&lt;init&gt;(org.w3c.dom.Element)">
-<h3>Song</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">Song</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;xmlElement)</span></div>
-</section>
-</li>
-</ul>
-</section>
-</li>
-<!-- ============ METHOD DETAIL ========== -->
-<li>
-<section class="method-details" id="method.detail">
-<h2>Method Details</h2>
-<ul class="member-list">
-<li>
-<section class="detail" id="getGenre()">
-<h3>getGenre</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getGenre</span>()</div>
-</section>
-</li>
-<li>
-<section class="detail" id="setGenre(java.lang.String)">
-<h3>setGenre</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setGenre</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;genre)</span></div>
-</section>
-</li>
-<li>
-<section class="detail" id="toString()">
-<h3>toString</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">toString</span>()</div>
-<dl class="notes">
-<dt>Overrides:</dt>
-<dd><code><a href="AudioElement.html#toString()">toString</a></code>&nbsp;in class&nbsp;<code><a href="AudioElement.html" title="class in musichub.business">AudioElement</a></code></dd>
-</dl>
-</section>
-</li>
-<li>
-<section class="detail" id="createXMLElement(org.w3c.dom.Document,org.w3c.dom.Element)">
-<h3>createXMLElement</h3>
-<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">createXMLElement</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Document.html" title="class or interface in org.w3c.dom" class="external-link">Document</a>&nbsp;document,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.xml/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom" class="external-link">Element</a>&nbsp;parentElement)</span></div>
-<dl class="notes">
-<dt>Overrides:</dt>
-<dd><code><a href="AudioElement.html#createXMLElement(org.w3c.dom.Document,org.w3c.dom.Element)">createXMLElement</a></code>&nbsp;in class&nbsp;<code><a href="AudioElement.html" title="class in musichub.business">AudioElement</a></code></dd>
-</dl>
-</section>
-</li>
-</ul>
-</section>
-</li>
-</ul>
-</section>
-<!-- ========= END OF CLASS DATA ========= -->
-</main>
-<footer role="contentinfo">
-<hr>
-<p class="legal-copy"><small>Copyright &#169; 2021. All rights reserved.</small></p>
-</footer>
-</div>
-</div>
-</body>
-</html>
diff --git a/target/site/apidocs/musichub/business/class-use/Album.html b/target/site/apidocs/musichub/business/class-use/Album.html
deleted file mode 100644
index 097e8c7..0000000
--- a/target/site/apidocs/musichub/business/class-use/Album.html
+++ /dev/null
@@ -1,99 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>Uses of Class musichub.business.Album (spoteezer 0.1.0 API)</title>
-<meta name="viewport" content="width=device-width, initial-scale=1">
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2021-06-26">
-<meta name="description" content="use: package: musichub.business, class: Album">
-<meta name="generator" content="javadoc/ClassUseWriter">
-<link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
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-<ul id="navbar.top.firstrow" class="nav-list" title="Navigation">
-<li><a href="../../../index.html">Overview</a></li>
-<li><a href="../package-summary.html">Package</a></li>
-<li><a href="../Album.html" title="class in musichub.business">Class</a></li>
-<li class="nav-bar-cell1-rev">Use</li>
-<li><a href="../package-tree.html">Tree</a></li>
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-<main role="main">
-<div class="header">
-<h1 title="Uses of Class musichub.business.Album" class="title">Uses of Class<br>musichub.business.Album</h1>
-</div>
-<div class="caption"><span>Packages that use <a href="../Album.html" title="class in musichub.business">Album</a></span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Package</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><a href="#musichub.business">musichub.business</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-<section class="class-uses">
-<ul class="block-list">
-<li>
-<section class="detail" id="musichub.business">
-<h2>Uses of <a href="../Album.html" title="class in musichub.business">Album</a> in <a href="../package-summary.html">musichub.business</a></h2>
-<div class="caption"><span>Methods in <a href="../package-summary.html">musichub.business</a> that return types with arguments of type <a href="../Album.html" title="class in musichub.business">Album</a></span></div>
-<div class="summary-table three-column-summary">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link">Iterator</a>&lt;<a href="../Album.html" title="class in musichub.business">Album</a>&gt;</code></div>
-<div class="col-second even-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#albums()">albums</a></span>()</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-<div class="caption"><span>Methods in <a href="../package-summary.html">musichub.business</a> with parameters of type <a href="../Album.html" title="class in musichub.business">Album</a></span></div>
-<div class="summary-table three-column-summary">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code>void</code></div>
-<div class="col-second even-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#addAlbum(musichub.business.Album)">addAlbum</a></span>&#8203;(<a href="../Album.html" title="class in musichub.business">Album</a>&nbsp;album)</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-</section>
-</li>
-</ul>
-</section>
-</main>
-<footer role="contentinfo">
-<hr>
-<p class="legal-copy"><small>Copyright &#169; 2021. All rights reserved.</small></p>
-</footer>
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diff --git a/target/site/apidocs/musichub/business/class-use/AudioBook.html b/target/site/apidocs/musichub/business/class-use/AudioBook.html
deleted file mode 100644
index a109ca3..0000000
--- a/target/site/apidocs/musichub/business/class-use/AudioBook.html
+++ /dev/null
@@ -1,65 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>Uses of Class musichub.business.AudioBook (spoteezer 0.1.0 API)</title>
-<meta name="viewport" content="width=device-width, initial-scale=1">
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2021-06-26">
-<meta name="description" content="use: package: musichub.business, class: AudioBook">
-<meta name="generator" content="javadoc/ClassUseWriter">
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-<li><a href="../../../index.html">Overview</a></li>
-<li><a href="../package-summary.html">Package</a></li>
-<li><a href="../AudioBook.html" title="class in musichub.business">Class</a></li>
-<li class="nav-bar-cell1-rev">Use</li>
-<li><a href="../package-tree.html">Tree</a></li>
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-<main role="main">
-<div class="header">
-<h1 title="Uses of Class musichub.business.AudioBook" class="title">Uses of Class<br>musichub.business.AudioBook</h1>
-</div>
-No usage of musichub.business.AudioBook</main>
-<footer role="contentinfo">
-<hr>
-<p class="legal-copy"><small>Copyright &#169; 2021. All rights reserved.</small></p>
-</footer>
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diff --git a/target/site/apidocs/musichub/business/class-use/AudioElement.html b/target/site/apidocs/musichub/business/class-use/AudioElement.html
deleted file mode 100644
index 1249775..0000000
--- a/target/site/apidocs/musichub/business/class-use/AudioElement.html
+++ /dev/null
@@ -1,124 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>Uses of Class musichub.business.AudioElement (spoteezer 0.1.0 API)</title>
-<meta name="viewport" content="width=device-width, initial-scale=1">
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2021-06-26">
-<meta name="description" content="use: package: musichub.business, class: AudioElement">
-<meta name="generator" content="javadoc/ClassUseWriter">
-<link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
-<link rel="stylesheet" type="text/css" href="../../../script-dir/jquery-ui.min.css" title="Style">
-<link rel="stylesheet" type="text/css" href="../../../jquery-ui.overrides.css" title="Style">
-<script type="text/javascript" src="../../../script.js"></script>
-<script type="text/javascript" src="../../../script-dir/jquery-3.5.1.min.js"></script>
-<script type="text/javascript" src="../../../script-dir/jquery-ui.min.js"></script>
-</head>
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-<script type="text/javascript">var pathtoroot = "../../../";
-loadScripts(document, 'script');</script>
-<noscript>
-<div>JavaScript is disabled on your browser.</div>
-</noscript>
-<div class="flex-box">
-<header role="banner" class="flex-header">
-<nav role="navigation">
-<!-- ========= START OF TOP NAVBAR ======= -->
-<div class="top-nav" id="navbar.top">
-<div class="skip-nav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
-<ul id="navbar.top.firstrow" class="nav-list" title="Navigation">
-<li><a href="../../../index.html">Overview</a></li>
-<li><a href="../package-summary.html">Package</a></li>
-<li><a href="../AudioElement.html" title="class in musichub.business">Class</a></li>
-<li class="nav-bar-cell1-rev">Use</li>
-<li><a href="../package-tree.html">Tree</a></li>
-<li><a href="../../../index-all.html">Index</a></li>
-<li><a href="../../../help-doc.html">Help</a></li>
-</ul>
-</div>
-<div class="sub-nav">
-<div class="nav-list-search"><label for="search">SEARCH:</label>
-<input type="text" id="search" value="search" disabled="disabled">
-<input type="reset" id="reset" value="reset" disabled="disabled">
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-<!-- ========= END OF TOP NAVBAR ========= -->
-<span class="skip-nav" id="skip.navbar.top">
-<!-- -->
-</span></nav>
-</header>
-<div class="flex-content">
-<main role="main">
-<div class="header">
-<h1 title="Uses of Class musichub.business.AudioElement" class="title">Uses of Class<br>musichub.business.AudioElement</h1>
-</div>
-<div class="caption"><span>Packages that use <a href="../AudioElement.html" title="class in musichub.business">AudioElement</a></span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Package</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><a href="#musichub.business">musichub.business</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-<section class="class-uses">
-<ul class="block-list">
-<li>
-<section class="detail" id="musichub.business">
-<h2>Uses of <a href="../AudioElement.html" title="class in musichub.business">AudioElement</a> in <a href="../package-summary.html">musichub.business</a></h2>
-<div class="caption"><span>Subclasses of <a href="../AudioElement.html" title="class in musichub.business">AudioElement</a> in <a href="../package-summary.html">musichub.business</a></span></div>
-<div class="summary-table three-column-summary">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Class</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code>class&nbsp;</code></div>
-<div class="col-second even-row-color"><code><span class="member-name-link"><a href="../AudioBook.html" title="class in musichub.business">AudioBook</a></span></code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code>class&nbsp;</code></div>
-<div class="col-second odd-row-color"><code><span class="member-name-link"><a href="../Song.html" title="class in musichub.business">Song</a></span></code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-</div>
-<div class="caption"><span>Methods in <a href="../package-summary.html">musichub.business</a> that return types with arguments of type <a href="../AudioElement.html" title="class in musichub.business">AudioElement</a></span></div>
-<div class="summary-table three-column-summary">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link">Iterator</a>&lt;<a href="../AudioElement.html" title="class in musichub.business">AudioElement</a>&gt;</code></div>
-<div class="col-second even-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#elements()">elements</a></span>()</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../AudioElement.html" title="class in musichub.business">AudioElement</a>&gt;</code></div>
-<div class="col-second odd-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#getAlbumSongs(java.lang.String)">getAlbumSongs</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;albumTitle)</code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-</div>
-<div class="caption"><span>Methods in <a href="../package-summary.html">musichub.business</a> with parameters of type <a href="../AudioElement.html" title="class in musichub.business">AudioElement</a></span></div>
-<div class="summary-table three-column-summary">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code>void</code></div>
-<div class="col-second even-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#addElement(musichub.business.AudioElement)">addElement</a></span>&#8203;(<a href="../AudioElement.html" title="class in musichub.business">AudioElement</a>&nbsp;element)</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-<div class="caption"><span>Method parameters in <a href="../package-summary.html">musichub.business</a> with type arguments of type <a href="../AudioElement.html" title="class in musichub.business">AudioElement</a></span></div>
-<div class="summary-table three-column-summary">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code>void</code></div>
-<div class="col-second even-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#getAudioElement(java.util.List,java.lang.String)">getAudioElement</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../AudioElement.html" title="class in musichub.business">AudioElement</a>&gt;&nbsp;audios,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;elementTitle)</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-</section>
-</li>
-</ul>
-</section>
-</main>
-<footer role="contentinfo">
-<hr>
-<p class="legal-copy"><small>Copyright &#169; 2021. All rights reserved.</small></p>
-</footer>
-</div>
-</div>
-</body>
-</html>
diff --git a/target/site/apidocs/musichub/business/class-use/Category.html b/target/site/apidocs/musichub/business/class-use/Category.html
deleted file mode 100644
index 022df3a..0000000
--- a/target/site/apidocs/musichub/business/class-use/Category.html
+++ /dev/null
@@ -1,101 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>Uses of Enum Class musichub.business.Category (spoteezer 0.1.0 API)</title>
-<meta name="viewport" content="width=device-width, initial-scale=1">
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2021-06-26">
-<meta name="description" content="use: package: musichub.business, enum: Category">
-<meta name="generator" content="javadoc/ClassUseWriter">
-<link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
-<link rel="stylesheet" type="text/css" href="../../../script-dir/jquery-ui.min.css" title="Style">
-<link rel="stylesheet" type="text/css" href="../../../jquery-ui.overrides.css" title="Style">
-<script type="text/javascript" src="../../../script.js"></script>
-<script type="text/javascript" src="../../../script-dir/jquery-3.5.1.min.js"></script>
-<script type="text/javascript" src="../../../script-dir/jquery-ui.min.js"></script>
-</head>
-<body class="class-use-page">
-<script type="text/javascript">var pathtoroot = "../../../";
-loadScripts(document, 'script');</script>
-<noscript>
-<div>JavaScript is disabled on your browser.</div>
-</noscript>
-<div class="flex-box">
-<header role="banner" class="flex-header">
-<nav role="navigation">
-<!-- ========= START OF TOP NAVBAR ======= -->
-<div class="top-nav" id="navbar.top">
-<div class="skip-nav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
-<ul id="navbar.top.firstrow" class="nav-list" title="Navigation">
-<li><a href="../../../index.html">Overview</a></li>
-<li><a href="../package-summary.html">Package</a></li>
-<li><a href="../Category.html" title="enum class in musichub.business">Class</a></li>
-<li class="nav-bar-cell1-rev">Use</li>
-<li><a href="../package-tree.html">Tree</a></li>
-<li><a href="../../../index-all.html">Index</a></li>
-<li><a href="../../../help-doc.html">Help</a></li>
-</ul>
-</div>
-<div class="sub-nav">
-<div class="nav-list-search"><label for="search">SEARCH:</label>
-<input type="text" id="search" value="search" disabled="disabled">
-<input type="reset" id="reset" value="reset" disabled="disabled">
-</div>
-</div>
-<!-- ========= END OF TOP NAVBAR ========= -->
-<span class="skip-nav" id="skip.navbar.top">
-<!-- -->
-</span></nav>
-</header>
-<div class="flex-content">
-<main role="main">
-<div class="header">
-<h1 title="Uses of Enum Class musichub.business.Category" class="title">Uses of Enum Class<br>musichub.business.Category</h1>
-</div>
-<div class="caption"><span>Packages that use <a href="../Category.html" title="enum class in musichub.business">Category</a></span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Package</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><a href="#musichub.business">musichub.business</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-<section class="class-uses">
-<ul class="block-list">
-<li>
-<section class="detail" id="musichub.business">
-<h2>Uses of <a href="../Category.html" title="enum class in musichub.business">Category</a> in <a href="../package-summary.html">musichub.business</a></h2>
-<div class="caption"><span>Methods in <a href="../package-summary.html">musichub.business</a> that return <a href="../Category.html" title="enum class in musichub.business">Category</a></span></div>
-<div class="summary-table three-column-summary">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code><a href="../Category.html" title="enum class in musichub.business">Category</a></code></div>
-<div class="col-second even-row-color"><span class="type-name-label">AudioBook.</span><code><span class="member-name-link"><a href="../AudioBook.html#getCategory()">getCategory</a></span>()</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code>static <a href="../Category.html" title="enum class in musichub.business">Category</a></code></div>
-<div class="col-second odd-row-color"><span class="type-name-label">Category.</span><code><span class="member-name-link"><a href="../Category.html#valueOf(java.lang.String)">valueOf</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</code></div>
-<div class="col-last odd-row-color">
-<div class="block">Returns the enum constant of this class with the specified name.</div>
-</div>
-<div class="col-first even-row-color"><code>static <a href="../Category.html" title="enum class in musichub.business">Category</a>[]</code></div>
-<div class="col-second even-row-color"><span class="type-name-label">Category.</span><code><span class="member-name-link"><a href="../Category.html#values()">values</a></span>()</code></div>
-<div class="col-last even-row-color">
-<div class="block">Returns an array containing the constants of this enum class, in
-the order they are declared.</div>
-</div>
-</div>
-</section>
-</li>
-</ul>
-</section>
-</main>
-<footer role="contentinfo">
-<hr>
-<p class="legal-copy"><small>Copyright &#169; 2021. All rights reserved.</small></p>
-</footer>
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diff --git a/target/site/apidocs/musichub/business/class-use/Genre.html b/target/site/apidocs/musichub/business/class-use/Genre.html
deleted file mode 100644
index a9cd613..0000000
--- a/target/site/apidocs/musichub/business/class-use/Genre.html
+++ /dev/null
@@ -1,98 +0,0 @@
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-<div class="caption"><span>Packages that use <a href="../Genre.html" title="enum class in musichub.business">Genre</a></span></div>
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-<div class="table-header col-first">Package</div>
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-<div class="caption"><span>Methods in <a href="../package-summary.html">musichub.business</a> that return <a href="../Genre.html" title="enum class in musichub.business">Genre</a></span></div>
-<div class="summary-table three-column-summary">
-<div class="table-header col-first">Modifier and Type</div>
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-<div class="col-first even-row-color"><code>static <a href="../Genre.html" title="enum class in musichub.business">Genre</a></code></div>
-<div class="col-second even-row-color"><span class="type-name-label">Genre.</span><code><span class="member-name-link"><a href="../Genre.html#valueOf(java.lang.String)">valueOf</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</code></div>
-<div class="col-last even-row-color">
-<div class="block">Returns the enum constant of this class with the specified name.</div>
-</div>
-<div class="col-first odd-row-color"><code>static <a href="../Genre.html" title="enum class in musichub.business">Genre</a>[]</code></div>
-<div class="col-second odd-row-color"><span class="type-name-label">Genre.</span><code><span class="member-name-link"><a href="../Genre.html#values()">values</a></span>()</code></div>
-<div class="col-last odd-row-color">
-<div class="block">Returns an array containing the constants of this enum class, in
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diff --git a/target/site/apidocs/musichub/business/class-use/Language.html b/target/site/apidocs/musichub/business/class-use/Language.html
deleted file mode 100644
index 86ed23a..0000000
--- a/target/site/apidocs/musichub/business/class-use/Language.html
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-<div class="caption"><span>Packages that use <a href="../Language.html" title="enum class in musichub.business">Language</a></span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Package</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><a href="#musichub.business">musichub.business</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
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-<li>
-<section class="detail" id="musichub.business">
-<h2>Uses of <a href="../Language.html" title="enum class in musichub.business">Language</a> in <a href="../package-summary.html">musichub.business</a></h2>
-<div class="caption"><span>Methods in <a href="../package-summary.html">musichub.business</a> that return <a href="../Language.html" title="enum class in musichub.business">Language</a></span></div>
-<div class="summary-table three-column-summary">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code><a href="../Language.html" title="enum class in musichub.business">Language</a></code></div>
-<div class="col-second even-row-color"><span class="type-name-label">AudioBook.</span><code><span class="member-name-link"><a href="../AudioBook.html#getLanguage()">getLanguage</a></span>()</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code>static <a href="../Language.html" title="enum class in musichub.business">Language</a></code></div>
-<div class="col-second odd-row-color"><span class="type-name-label">Language.</span><code><span class="member-name-link"><a href="../Language.html#valueOf(java.lang.String)">valueOf</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</code></div>
-<div class="col-last odd-row-color">
-<div class="block">Returns the enum constant of this class with the specified name.</div>
-</div>
-<div class="col-first even-row-color"><code>static <a href="../Language.html" title="enum class in musichub.business">Language</a>[]</code></div>
-<div class="col-second even-row-color"><span class="type-name-label">Language.</span><code><span class="member-name-link"><a href="../Language.html#values()">values</a></span>()</code></div>
-<div class="col-last even-row-color">
-<div class="block">Returns an array containing the constants of this enum class, in
-the order they are declared.</div>
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diff --git a/target/site/apidocs/musichub/business/class-use/MusicHub.html b/target/site/apidocs/musichub/business/class-use/MusicHub.html
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--- a/target/site/apidocs/musichub/business/class-use/MusicHub.html
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diff --git a/target/site/apidocs/musichub/business/class-use/NoAlbumFoundException.html b/target/site/apidocs/musichub/business/class-use/NoAlbumFoundException.html
deleted file mode 100644
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-<div class="caption"><span>Packages that use <a href="../NoAlbumFoundException.html" title="class in musichub.business">NoAlbumFoundException</a></span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Package</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><a href="#musichub.business">musichub.business</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-<section class="class-uses">
-<ul class="block-list">
-<li>
-<section class="detail" id="musichub.business">
-<h2>Uses of <a href="../NoAlbumFoundException.html" title="class in musichub.business">NoAlbumFoundException</a> in <a href="../package-summary.html">musichub.business</a></h2>
-<div class="caption"><span>Methods in <a href="../package-summary.html">musichub.business</a> that throw <a href="../NoAlbumFoundException.html" title="class in musichub.business">NoAlbumFoundException</a></span></div>
-<div class="summary-table three-column-summary">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code>void</code></div>
-<div class="col-second even-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#addElementToAlbum(java.lang.String,java.lang.String)">addElementToAlbum</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;elementTitle,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;albumTitle)</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../AudioElement.html" title="class in musichub.business">AudioElement</a>&gt;</code></div>
-<div class="col-second odd-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#getAlbumSongs(java.lang.String)">getAlbumSongs</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;albumTitle)</code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-first even-row-color"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../Song.html" title="class in musichub.business">Song</a>&gt;</code></div>
-<div class="col-second even-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#getAlbumSongsSortedByGenre(java.lang.String)">getAlbumSongsSortedByGenre</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;albumTitle)</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code>void</code></div>
-<div class="col-second odd-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#getAudioElement(java.util.List,java.lang.String)">getAudioElement</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../AudioElement.html" title="class in musichub.business">AudioElement</a>&gt;&nbsp;audios,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;elementTitle)</code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-</div>
-</section>
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-</ul>
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diff --git a/target/site/apidocs/musichub/business/class-use/NoElementFoundException.html b/target/site/apidocs/musichub/business/class-use/NoElementFoundException.html
deleted file mode 100644
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--- a/target/site/apidocs/musichub/business/class-use/NoElementFoundException.html
+++ /dev/null
@@ -1,95 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
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-</div>
-<div class="caption"><span>Packages that use <a href="../NoElementFoundException.html" title="class in musichub.business">NoElementFoundException</a></span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Package</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><a href="#musichub.business">musichub.business</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-<section class="class-uses">
-<ul class="block-list">
-<li>
-<section class="detail" id="musichub.business">
-<h2>Uses of <a href="../NoElementFoundException.html" title="class in musichub.business">NoElementFoundException</a> in <a href="../package-summary.html">musichub.business</a></h2>
-<div class="caption"><span>Methods in <a href="../package-summary.html">musichub.business</a> that throw <a href="../NoElementFoundException.html" title="class in musichub.business">NoElementFoundException</a></span></div>
-<div class="summary-table three-column-summary">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code>void</code></div>
-<div class="col-second even-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#addElementToAlbum(java.lang.String,java.lang.String)">addElementToAlbum</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;elementTitle,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;albumTitle)</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code>void</code></div>
-<div class="col-second odd-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#addElementToPlayList(java.lang.String,java.lang.String)">addElementToPlayList</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;elementTitle,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;playListTitle)</code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
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diff --git a/target/site/apidocs/musichub/business/class-use/NoPlayListFoundException.html b/target/site/apidocs/musichub/business/class-use/NoPlayListFoundException.html
deleted file mode 100644
index 0a7a442..0000000
--- a/target/site/apidocs/musichub/business/class-use/NoPlayListFoundException.html
+++ /dev/null
@@ -1,94 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>Uses of Class musichub.business.NoPlayListFoundException (spoteezer 0.1.0 API)</title>
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-<h1 title="Uses of Class musichub.business.NoPlayListFoundException" class="title">Uses of Class<br>musichub.business.NoPlayListFoundException</h1>
-</div>
-<div class="caption"><span>Packages that use <a href="../NoPlayListFoundException.html" title="class in musichub.business">NoPlayListFoundException</a></span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Package</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><a href="#musichub.business">musichub.business</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-<section class="class-uses">
-<ul class="block-list">
-<li>
-<section class="detail" id="musichub.business">
-<h2>Uses of <a href="../NoPlayListFoundException.html" title="class in musichub.business">NoPlayListFoundException</a> in <a href="../package-summary.html">musichub.business</a></h2>
-<div class="caption"><span>Methods in <a href="../package-summary.html">musichub.business</a> that throw <a href="../NoPlayListFoundException.html" title="class in musichub.business">NoPlayListFoundException</a></span></div>
-<div class="summary-table three-column-summary">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code>void</code></div>
-<div class="col-second even-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#addElementToPlayList(java.lang.String,java.lang.String)">addElementToPlayList</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;elementTitle,
- <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;playListTitle)</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><code>void</code></div>
-<div class="col-second odd-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#deletePlayList(java.lang.String)">deletePlayList</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;playListTitle)</code></div>
-<div class="col-last odd-row-color">&nbsp;</div>
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diff --git a/target/site/apidocs/musichub/business/class-use/PlayList.html b/target/site/apidocs/musichub/business/class-use/PlayList.html
deleted file mode 100644
index 151e091..0000000
--- a/target/site/apidocs/musichub/business/class-use/PlayList.html
+++ /dev/null
@@ -1,99 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>Uses of Class musichub.business.PlayList (spoteezer 0.1.0 API)</title>
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-<h1 title="Uses of Class musichub.business.PlayList" class="title">Uses of Class<br>musichub.business.PlayList</h1>
-</div>
-<div class="caption"><span>Packages that use <a href="../PlayList.html" title="class in musichub.business">PlayList</a></span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Package</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><a href="#musichub.business">musichub.business</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-<section class="class-uses">
-<ul class="block-list">
-<li>
-<section class="detail" id="musichub.business">
-<h2>Uses of <a href="../PlayList.html" title="class in musichub.business">PlayList</a> in <a href="../package-summary.html">musichub.business</a></h2>
-<div class="caption"><span>Methods in <a href="../package-summary.html">musichub.business</a> that return types with arguments of type <a href="../PlayList.html" title="class in musichub.business">PlayList</a></span></div>
-<div class="summary-table three-column-summary">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link">Iterator</a>&lt;<a href="../PlayList.html" title="class in musichub.business">PlayList</a>&gt;</code></div>
-<div class="col-second even-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#playlists()">playlists</a></span>()</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-<div class="caption"><span>Methods in <a href="../package-summary.html">musichub.business</a> with parameters of type <a href="../PlayList.html" title="class in musichub.business">PlayList</a></span></div>
-<div class="summary-table three-column-summary">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code>void</code></div>
-<div class="col-second even-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#addPlaylist(musichub.business.PlayList)">addPlaylist</a></span>&#8203;(<a href="../PlayList.html" title="class in musichub.business">PlayList</a>&nbsp;playlist)</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
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diff --git a/target/site/apidocs/musichub/business/class-use/Song.html b/target/site/apidocs/musichub/business/class-use/Song.html
deleted file mode 100644
index f7caf68..0000000
--- a/target/site/apidocs/musichub/business/class-use/Song.html
+++ /dev/null
@@ -1,90 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>Uses of Class musichub.business.Song (spoteezer 0.1.0 API)</title>
-<meta name="viewport" content="width=device-width, initial-scale=1">
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-<li><a href="../package-summary.html">Package</a></li>
-<li><a href="../Song.html" title="class in musichub.business">Class</a></li>
-<li class="nav-bar-cell1-rev">Use</li>
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-<h1 title="Uses of Class musichub.business.Song" class="title">Uses of Class<br>musichub.business.Song</h1>
-</div>
-<div class="caption"><span>Packages that use <a href="../Song.html" title="class in musichub.business">Song</a></span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Package</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><a href="#musichub.business">musichub.business</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-<section class="class-uses">
-<ul class="block-list">
-<li>
-<section class="detail" id="musichub.business">
-<h2>Uses of <a href="../Song.html" title="class in musichub.business">Song</a> in <a href="../package-summary.html">musichub.business</a></h2>
-<div class="caption"><span>Methods in <a href="../package-summary.html">musichub.business</a> that return types with arguments of type <a href="../Song.html" title="class in musichub.business">Song</a></span></div>
-<div class="summary-table three-column-summary">
-<div class="table-header col-first">Modifier and Type</div>
-<div class="table-header col-second">Method</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../Song.html" title="class in musichub.business">Song</a>&gt;</code></div>
-<div class="col-second even-row-color"><span class="type-name-label">MusicHub.</span><code><span class="member-name-link"><a href="../MusicHub.html#getAlbumSongsSortedByGenre(java.lang.String)">getAlbumSongsSortedByGenre</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;albumTitle)</code></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-</section>
-</li>
-</ul>
-</section>
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-<footer role="contentinfo">
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diff --git a/target/site/apidocs/musichub/business/package-summary.html b/target/site/apidocs/musichub/business/package-summary.html
deleted file mode 100644
index ab9bef3..0000000
--- a/target/site/apidocs/musichub/business/package-summary.html
+++ /dev/null
@@ -1,116 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
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-<h1 title="Package" class="title">Package&nbsp;musichub.business</h1>
-</div>
-<hr>
-<div class="package-signature">package <span class="element-name">musichub.business</span></div>
-<section class="summary">
-<ul class="summary-list">
-<li>
-<div class="caption"><span>Class Summary</span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Class</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><a href="Album.html" title="class in musichub.business">Album</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><a href="AudioBook.html" title="class in musichub.business">AudioBook</a></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-first even-row-color"><a href="AudioElement.html" title="class in musichub.business">AudioElement</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><a href="MusicHub.html" title="class in musichub.business">MusicHub</a></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-first even-row-color"><a href="PlayList.html" title="class in musichub.business">PlayList</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><a href="Song.html" title="class in musichub.business">Song</a></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-</div>
-</li>
-<li>
-<div class="caption"><span>Enum Class Summary</span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Enum Class</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><a href="Category.html" title="enum class in musichub.business">Category</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><a href="Genre.html" title="enum class in musichub.business">Genre</a></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-first even-row-color"><a href="Language.html" title="enum class in musichub.business">Language</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-</li>
-<li>
-<div class="caption"><span>Exception Summary</span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Exception</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><a href="NoAlbumFoundException.html" title="class in musichub.business">NoAlbumFoundException</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><a href="NoElementFoundException.html" title="class in musichub.business">NoElementFoundException</a></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-first even-row-color"><a href="NoPlayListFoundException.html" title="class in musichub.business">NoPlayListFoundException</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-</li>
-</ul>
-</section>
-</main>
-<footer role="contentinfo">
-<hr>
-<p class="legal-copy"><small>Copyright &#169; 2021. All rights reserved.</small></p>
-</footer>
-</div>
-</div>
-</body>
-</html>
diff --git a/target/site/apidocs/musichub/business/package-tree.html b/target/site/apidocs/musichub/business/package-tree.html
deleted file mode 100644
index e1a5f5b..0000000
--- a/target/site/apidocs/musichub/business/package-tree.html
+++ /dev/null
@@ -1,114 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>musichub.business Class Hierarchy (spoteezer 0.1.0 API)</title>
-<meta name="viewport" content="width=device-width, initial-scale=1">
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2021-06-26">
-<meta name="description" content="tree: package: musichub.business">
-<meta name="generator" content="javadoc/PackageTreeWriter">
-<link rel="stylesheet" type="text/css" href="../../stylesheet.css" title="Style">
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-<li><a href="../../index.html">Overview</a></li>
-<li><a href="package-summary.html">Package</a></li>
-<li>Class</li>
-<li>Use</li>
-<li class="nav-bar-cell1-rev">Tree</li>
-<li><a href="../../index-all.html">Index</a></li>
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-<h1 class="title">Hierarchy For Package musichub.business</h1>
-<span class="package-hierarchy-label">Package Hierarchies:</span>
-<ul class="horizontal">
-<li><a href="../../overview-tree.html">All Packages</a></li>
-</ul>
-</div>
-<section class="hierarchy">
-<h2 title="Class Hierarchy">Class Hierarchy</h2>
-<ul>
-<li class="circle">java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link"><span class="type-name-link">Object</span></a>
-<ul>
-<li class="circle">musichub.business.<a href="Album.html" title="class in musichub.business"><span class="type-name-link">Album</span></a></li>
-<li class="circle">musichub.business.<a href="AudioElement.html" title="class in musichub.business"><span class="type-name-link">AudioElement</span></a>
-<ul>
-<li class="circle">musichub.business.<a href="AudioBook.html" title="class in musichub.business"><span class="type-name-link">AudioBook</span></a></li>
-<li class="circle">musichub.business.<a href="Song.html" title="class in musichub.business"><span class="type-name-link">Song</span></a></li>
-</ul>
-</li>
-<li class="circle">musichub.business.<a href="MusicHub.html" title="class in musichub.business"><span class="type-name-link">MusicHub</span></a></li>
-<li class="circle">musichub.business.<a href="PlayList.html" title="class in musichub.business"><span class="type-name-link">PlayList</span></a></li>
-<li class="circle">java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Throwable.html" title="class or interface in java.lang" class="external-link"><span class="type-name-link">Throwable</span></a> (implements java.io.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a>)
-<ul>
-<li class="circle">java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link"><span class="type-name-link">Exception</span></a>
-<ul>
-<li class="circle">musichub.business.<a href="NoAlbumFoundException.html" title="class in musichub.business"><span class="type-name-link">NoAlbumFoundException</span></a></li>
-<li class="circle">musichub.business.<a href="NoElementFoundException.html" title="class in musichub.business"><span class="type-name-link">NoElementFoundException</span></a></li>
-<li class="circle">musichub.business.<a href="NoPlayListFoundException.html" title="class in musichub.business"><span class="type-name-link">NoPlayListFoundException</span></a></li>
-</ul>
-</li>
-</ul>
-</li>
-</ul>
-</li>
-</ul>
-</section>
-<section class="hierarchy">
-<h2 title="Enum Class Hierarchy">Enum Class Hierarchy</h2>
-<ul>
-<li class="circle">java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link"><span class="type-name-link">Object</span></a>
-<ul>
-<li class="circle">java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link"><span class="type-name-link">Enum</span></a>&lt;E&gt; (implements java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Comparable.html" title="class or interface in java.lang" class="external-link">Comparable</a>&lt;T&gt;, java.lang.constant.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/constant/Constable.html" title="class or interface in java.lang.constant" class="external-link">Constable</a>, java.io.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a>)
-<ul>
-<li class="circle">musichub.business.<a href="Category.html" title="enum class in musichub.business"><span class="type-name-link">Category</span></a></li>
-<li class="circle">musichub.business.<a href="Genre.html" title="enum class in musichub.business"><span class="type-name-link">Genre</span></a></li>
-<li class="circle">musichub.business.<a href="Language.html" title="enum class in musichub.business"><span class="type-name-link">Language</span></a></li>
-</ul>
-</li>
-</ul>
-</li>
-</ul>
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-<footer role="contentinfo">
-<hr>
-<p class="legal-copy"><small>Copyright &#169; 2021. All rights reserved.</small></p>
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diff --git a/target/site/apidocs/musichub/business/package-use.html b/target/site/apidocs/musichub/business/package-use.html
deleted file mode 100644
index 89e8d56..0000000
--- a/target/site/apidocs/musichub/business/package-use.html
+++ /dev/null
@@ -1,105 +0,0 @@
-<!DOCTYPE HTML>
-<!-- NewPage -->
-<html lang="fr">
-<head>
-<!-- Generated by javadoc (16) on Sat Jun 26 22:06:33 CEST 2021 -->
-<title>Uses of Package musichub.business (spoteezer 0.1.0 API)</title>
-<meta name="viewport" content="width=device-width, initial-scale=1">
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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-loadScripts(document, 'script');</script>
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-<div class="skip-nav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
-<ul id="navbar.top.firstrow" class="nav-list" title="Navigation">
-<li><a href="../../index.html">Overview</a></li>
-<li><a href="package-summary.html">Package</a></li>
-<li>Class</li>
-<li class="nav-bar-cell1-rev">Use</li>
-<li><a href="package-tree.html">Tree</a></li>
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-<h1 title="Uses of Package musichub.business" class="title">Uses of Package<br>musichub.business</h1>
-</div>
-<div class="caption"><span>Packages that use <a href="package-summary.html">musichub.business</a></span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Package</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><a href="#musichub.business">musichub.business</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-</div>
-<section class="package-uses">
-<ul class="block-list">
-<li>
-<section class="detail" id="musichub.business">
-<div class="caption"><span>Classes in <a href="package-summary.html">musichub.business</a> used by <a href="package-summary.html">musichub.business</a></span></div>
-<div class="summary-table two-column-summary">
-<div class="table-header col-first">Class</div>
-<div class="table-header col-last">Description</div>
-<div class="col-first even-row-color"><a href="class-use/Album.html#musichub.business">Album</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><a href="class-use/AudioElement.html#musichub.business">AudioElement</a></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-first even-row-color"><a href="class-use/Category.html#musichub.business">Category</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><a href="class-use/Genre.html#musichub.business">Genre</a></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-first even-row-color"><a href="class-use/Language.html#musichub.business">Language</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><a href="class-use/NoAlbumFoundException.html#musichub.business">NoAlbumFoundException</a></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-first even-row-color"><a href="class-use/NoElementFoundException.html#musichub.business">NoElementFoundException</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><a href="class-use/NoPlayListFoundException.html#musichub.business">NoPlayListFoundException</a></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-<div class="col-first even-row-color"><a href="class-use/PlayList.html#musichub.business">PlayList</a></div>
-<div class="col-last even-row-color">&nbsp;</div>
-<div class="col-first odd-row-color"><a href="class-use/Song.html#musichub.business">Song</a></div>
-<div class="col-last odd-row-color">&nbsp;</div>
-</div>
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