About Creative Commons

Creative Commons is a not-for-profit organization devoted to expanding the range of creative work available for others to legally build upon and share.

MusicBrainz uses a [[[Image:somerights.gif]]] for derived data (mainly search indexes), moderation data (moderators, moderations/notes/votes, statistics) and the artist-to-artist relationships (Similar artists, not AdvancedRelationships) (artist_relation) (Data provided by Agent Arts)

The core data (artists, albums, tracks, etc.) is in the [[[Image:norights.gif]]]

There is an excellent article on Creative Commons in Wikipedia.