Patent ID: 7141732

Claim:
A music data storing apparatus for adding music information about a song to music data of the song read from a storage medium, comprising: a first storing unit operable to store music data comprising music information; a second storing unit operable to store music information about individual songs recorded on a plurality of storage media; a third storing unit operable to store identification information about songs recorded on a storage medium and store locations of music data of individual songs stored in said first storing unit when music information about songs recorded on the storage medium is not stored in said second storing unit; and a control unit operable to obtain music information about a song from said second storing unit, and if the music information about the song recorded on a storage medium indicated by identification information stored in said third storing unit is stored in said second unit and the version of music information about songs recorded on the storage medium stored at the second storing unit is updated, the control unit is further operable to: obtain a stored location of the song from said third storing unit, add the obtained music information about a song to the music data stored at the obtained stored location, and store the music data comprising the added music information in said first storing unit.