itunes: load ratings in sep thread
itunes: load ratings in sep thread

albertz/music-player,albertz/music-player,kingsj/music-player,kingsj/music-player,kingsj/music-player,kingsj/music-player,albertz/music-player,albertz/music-player,albertz/music-player,albertz/music-player,kingsj/music-player