diff --git a/Sources/Model/InfoTitle.cs b/Sources/Model/InfoTitle.cs
index 1bb263e..2330477 100644
--- a/Sources/Model/InfoTitle.cs
+++ b/Sources/Model/InfoTitle.cs
@@ -7,8 +7,6 @@ public class InfoTitle : Title
 {
     public Artist Artist { get; set; }
 
-    private Artist artist = new Artist();
-
     public string Description
     {
         get => description;
@@ -38,7 +36,7 @@ public class InfoTitle : Title
 
     public InfoTitle(string name, string imageURL, string information, Artist artist, string description, Genre genre) : base(name,imageURL,information)
     {
-        this.artist = artist;
+        Artist = artist;
         Description = description;
         Genre = genre;
     }
diff --git a/Sources/Model/Playlist.cs b/Sources/Model/Playlist.cs
index 25dd7eb..a1d5727 100644
--- a/Sources/Model/Playlist.cs
+++ b/Sources/Model/Playlist.cs
@@ -89,29 +89,11 @@ public class Playlist
 
     private int index = 0;
 
-    public bool Shuffle
-    {
-        get => shuffle;
-        set { shuffle = value; }
-    }
-
-    private bool shuffle = false;
+    public bool Shuffle { get; set; } = false;
 
-    public bool Loop
-    {
-        get => loop;
-        set { loop = value; }
-    }
-
-    private bool loop = false;
-
-    public bool LoopTitle
-    {
-        get => loopTitle;
-        set { loopTitle = value; }
-    }
+    public bool Loop { get; set; } = false;
 
-    private bool loopTitle = false;
+    public bool LoopTitle { get; set; } = false;
 
     private readonly List<int> played = new List<int>();
 
@@ -221,7 +203,7 @@ public class Playlist
         return $"Name : {Name}";
     }
 
-    int RandomGenerator(int n)
+    static int RandomGenerator(int n)
     {
         RandomNumberGenerator rng = RandomNumberGenerator.Create();
         byte[] randomBytes = new byte[4];
diff --git a/Sources/Model/Serialization/LINQ_XML_Serialization.cs b/Sources/Model/Serialization/LINQ_XML_Serialization.cs
index c0a4b44..63b9261 100644
--- a/Sources/Model/Serialization/LINQ_XML_Serialization.cs
+++ b/Sources/Model/Serialization/LINQ_XML_Serialization.cs
@@ -11,7 +11,7 @@ using System.IO;
 
 namespace Model.Serialization;
 
-public class Linq_Xml_Serialization : IDataManager
+public class LinqXmlSerialization : IDataManager
 {
     private static string XMLPATH = Path.Combine(Environment.CurrentDirectory, "Data");
 
@@ -75,7 +75,7 @@ public class Linq_Xml_Serialization : IDataManager
         }
     }
 
-    public Linq_Xml_Serialization()
+    public LinqXmlSerialization()
     {
         playlists = new List<Playlist>();
         artists = new List<Artist>();
@@ -562,7 +562,7 @@ public class Linq_Xml_Serialization : IDataManager
             }
         }
     }
-    public Genre GetGenreByName(string genre)
+    public static Genre GetGenreByName(string genre)
     {
         if (genre == "HIP_HOP") return Genre.HIP_HOP;
         if (genre == "POP") return Genre.POP;
diff --git a/Sources/Model/Stub/StubInfoTitle.cs b/Sources/Model/Stub/StubInfoTitle.cs
index 7e32d4b..3ee4cf2 100644
--- a/Sources/Model/Stub/StubInfoTitle.cs
+++ b/Sources/Model/Stub/StubInfoTitle.cs
@@ -60,11 +60,11 @@ public class StubInfoTitle
     {
         infoTitles.Remove(title);
     }
-    public void AddFeat(InfoTitle infoTitle, Artist artist)
+    public static void AddFeat(InfoTitle infoTitle, Artist artist)
     {
         infoTitle.AddFeat(artist);
     }
-    public void RemoveFeat(InfoTitle infoTitle, Artist artist)
+    public static void RemoveFeat(InfoTitle infoTitle, Artist artist)
     {
         infoTitle.RemoveFeat(artist);
     }
diff --git a/Sources/Model/Stub/StubManager.cs b/Sources/Model/Stub/StubManager.cs
index 91d1431..ce74617 100644
--- a/Sources/Model/Stub/StubManager.cs
+++ b/Sources/Model/Stub/StubManager.cs
@@ -148,12 +148,12 @@ public class StubManager : IDataManager
 
     public void LoadSerialization()
     {
-
+        // Doesn't do anything because it's Stubs
     }
 
     public void SaveSerialization()
     {
-
+        // Doesn't do anything because it's Stubs
     }
 
     public CustomTitle? GetCustomTitleByUrl(string custom)
diff --git a/Sources/TestUnitaires/TU_Manager.cs b/Sources/TestUnitaires/TU_Manager.cs
index d4fc553..026112e 100644
--- a/Sources/TestUnitaires/TU_Manager.cs
+++ b/Sources/TestUnitaires/TU_Manager.cs
@@ -15,7 +15,7 @@ namespace TestUnitaires
         [InlineData("Réference")]
         public void TU_Methods(string? test)
         {
-            IDataManager DataManager = new Linq_Xml_Serialization();
+            IDataManager DataManager = new LinqXmlSerialization();
             Playlist p = new Playlist(test, "PlaceHolder", "place.holder");
             Album album = new Album(test, "place.holder", new Artist("test"), "PlaceHolder", "PlaceHolder");
             CustomTitle t = new CustomTitle(test, "test. mp3", "Banger", "path");