core + bib (Bibliographic Extension): terms relating to books and bibliography.

tracks

Canonical URL: http://schema.org/tracks

Thing > Property > tracks

A music recording (track)—usually a single song.

Usage: Between 1000 and 10,000 domains
Values expected to be one of these types
MusicRecording
Used on these types
MusicGroup
MusicPlaylist
supersededBy
track

Schema Version 3.3