Abstract: Playback systems and methods with integrated music, lyrics and song information. The system comprises a database and a processing module. The database stores a plurality of music/lyrics/song information integrated files, each corresponding to a song, and comprising a first music, a first lyrics, and first song information. The processing module queries a specific music/lyrics/song information integrated file from the database according to a specific song index, where the specific song index corresponds to the first song information of the specific music/lyrics/song information integrated file. The processing module reads the first music and the first lyrics from the specific music/lyrics/song information integrated file, and plays back a specific song by playing back the first music and the first lyrics.

Abstract: Music playback systems and methods. The system comprises a first storage device and a playback device. The first storage device comprises a plurality of first songs, and a first database storing song information of respective first songs. The playback device comprises a processing module. When the first storage device couples to the playback device, the processing module loads the first database to a temporary space, thus to be aware of the first songs in the first storage device, and provides the first songs on the playback device for selection and playback.