CDDB began in 1993 as a simple way to identify CDs by their "disc ID"—a unique fingerprint calculated from the number and duration of tracks.
While the original CDDB (now ) is a closed, proprietary service, its legacy survives through open-source snapshots and modern successors like GnuDB and MusicBrainz . The Evolution of CDDB and FreeDB cddb database download
: In 2000, CDDB (renamed Gracenote ) transitioned to a restricted license, leading to the birth of FreeDB , which used the last free snapshot of the database. CDDB began in 1993 as a simple way