Move OnPreopertyChanged method at the end of Playlist's, Title's and Manager's file

Sources/Model/Manager.cs

@@ -8,9 +8,6 @@ public class Manager : INotifyPropertyChanged
 {
     public event PropertyChangedEventHandler PropertyChanged;
 
-    protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
-        => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
-
     public readonly static int MAX_NAME_LENGTH = 75;
 
     public readonly static int MAX_DESCRIPTION_LENGTH = 500;
@@ -291,4 +288,7 @@ public class Manager : INotifyPropertyChanged
         return DataManager.GetAlbumById(id);
     }
 
+    protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
+        => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+
 }

Sources/Model/Playlist.cs

@@ -10,9 +10,6 @@ public class Playlist : INotifyPropertyChanged
 {
     public event PropertyChangedEventHandler PropertyChanged;
 
-    protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
-        => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
-
     public string Name
     {
         get => name;
@@ -252,4 +249,7 @@ public class Playlist : INotifyPropertyChanged
         }
         return false;
     }
+
+    protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
+        => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
 }

Sources/Model/Title.cs

@@ -10,9 +10,6 @@ public class Title
 
     public event PropertyChangedEventHandler PropertyChanged;
 
-    protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
-        => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
-
     public string Name
     {
         get => name;
@@ -91,4 +88,7 @@ public class Title
     {
         return $"Name : {Name}";
     }
+
+    protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
+        => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
 }