Added background-music-option: "Only selected song". bg-music is played on name/score/highscore screen with selected song.

VocaluxeLib/Enums.cs

@@ -248,6 +248,13 @@ namespace VocaluxeLib
         // ReSharper restore InconsistentNaming
     }
 
+    public enum EBackgroundMusicOffOn
+    {
+        TR_CONFIG_OFF,
+        TR_CONFIG_ONLY_SONG,
+        TR_CONFIG_ON
+    }
+
     public enum EPlayerInfo
     {
         // ReSharper disable InconsistentNaming