`name:` Title of the music track.

`album:` Name of the album on which the track appears.

`artist:` Name of the artist who performed the track.

`release_date:` Date the album was first released.

`length:` Track length in milliseconds.

`popularity:` Popularity of a track (based on total number of streams and frequency of most recent plays).

`artist_pop:` Popularity of an artist (based on artist's overall track popularity scores).

`artist_genres:` List of genres associated with an artist.