public int ConvertMusicType(int index)
		{
			switch (index)
			{
				case 0: return 800;
				case 1: return 1100;
				case 2: return 1600;
				case 3: return 1900;
				default: return 0;
			}
		}

		public double ConvertArtist(int index)
		{
			switch (index)
			{
				case 0: return 1.2;
				case 1: return 1.3;
				default: return 0;
			}
		}

		public double ConvertSpecialArtist(bool index)
		{
			switch (index)
			{
				case true: return 1.7;
				case false: return 1;
				default: return 0;
			}
		}