songdb: getSongSummaryDictById must be faster
songdb: getSongSummaryDictById must be faster

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