Try to fix song-bug (don't work yet)

Vocaluxe/GameModes/CGameMode.cs

@@ -247,7 +247,8 @@ namespace Vocaluxe.GameModes
         {
             if (_CurrentSong >= 0 && _CurrentSong < _SongQueque.Count)
             {
-                CSong song = CSongs.GetSong(_SongQueque[_CurrentSong].SongID);
+                CSong song = (CSong)CSongs.GetSong(_SongQueque[_CurrentSong].SongID).Clone();
+                song.Notes = (CNotes)CSongs.GetSong(_SongQueque[_CurrentSong].SongID).Notes.Clone();
 
                 switch (GetCurrentGameMode())
                 {

Vocaluxe/Lib/Song/CNotes.cs

@@ -6,7 +6,7 @@ using Vocaluxe.Base;
 
 namespace Vocaluxe.Lib.Song
 {
-    class CNotes
+    class CNotes : ICloneable
     {
         private List<CLines> _Lines = new List<CLines>();
         
@@ -79,6 +79,11 @@ namespace Vocaluxe.Lib.Song
                 lines.SetMedley(StartBeat, EndBeat);
             }
         }
+
+        public object Clone()
+        {
+            return base.MemberwiseClone();
+        }
     }
 
     public enum ENoteType
@@ -549,6 +554,7 @@ namespace Vocaluxe.Lib.Song
                 updateMinMaxBeat(note);
             }
         }
+
         #endregion Methods
     }
 

Vocaluxe/Lib/Song/CSong.cs

@@ -48,7 +48,7 @@ namespace Vocaluxe.Lib.Song
         }
     }
 
-    class CSong
+    class CSong : ICloneable
     {
         private bool _CoverLoaded = false;
         private bool _NotesLoaded = false;
@@ -980,5 +980,10 @@ namespace Vocaluxe.Lib.Song
             ShortEnd = stop;
 
         }
+
+        public object Clone()
+        {
+            return base.MemberwiseClone();
+        }
     }
 }