MusicBrainz Entity
Entity Types
Artist
An artist is generally a musician, group of musicians, a collaboration of multiple musicians or other music professional contributing to the works described in the MusicBrainz Database.
Artist Credit
List of artists, variations of artist names and pieces of text to join the artist names.
Label
Labels in MusicBrainz refer mainly to imprints on releases, and to a lesser extent, the record companies behind those imprints.
Medium
Piece of media, included in a release. Contains information about the format, position in the release and an optional title.
Recording
Represents unique audio data. Has title, artist credit, duration, list of PUIDs and ISRCs.
Release
Real-world release object you can buy in your music store.
Release Group
Represents an abstract "album" entity. Technically it's a group of releases, with a specified type.
Track
Contains a link to a recording, title, artist credit and the position on the tracklist.
Tracklist
Simple ordered list of tracks. Tracklists are used by mediums.
URL
Represents a regular internet Uniform Resource Locator and an associated description of that URL.
Work
One layer above recordings ("song", "composition", etc.). While recording represents audio data, work represents the composition behind the recording.