public static void Update()
		{
			if (_loop == null)
			{
				LoadContent(_content);
			}

			if (_intro == null || _loop == null)
			{
				return;
			}

			if (NextTrack != null)
			{
				DesiredVolume = 0;

				if (CurrentVolume < 0.01f)
				{
					DesiredVolume = CurrentVolume = 1;
					StopMusic();
					PlayTrack(NextTrack);
					NextTrack = null;
				}
			}

			CurrentVolume = MathHelper.Lerp(CurrentVolume, DesiredVolume, _volumechangerate);

			if (_intro != null)
			{
				_intro.Volume = Global.MusicVolume*CurrentVolume;
			}

			if (_loop != null)
			{
				_loop.Volume = Global.MusicVolume*CurrentVolume;
			}
		}