TrackEnrichmentData

releaseDate is a string and not datetime because it is a partial date: MusicBrainz answers 1997, 1997-06 or 1997-06-24 depending on what is actually known about the release, and the SDK types it the same way. A datetime would reject the first two or invent a day and a time for them, which is a precision the source never claimed.

Attributes (17)

Attribute	Type	Required	Description
artist	string	No
title	string	No
album	string	No
year	number	No
releaseDate	string	No
genres	string[]	No
moods	string[]	No
biography	string	No
facts	string[]	No	Short lines, each independently speakable
bpm	number	No	Not an integer: a tempo a source measured rather than declared is fractional
musicalKey	string	No
label	string	No
isrc	string	No
artworkUrl	string	No	The provider's picture as the station serves it: art/<id> once cached, else the station's proxy art/source/<token>. Never the URL the plugin supplied
externalIds	EnrichmentExternalId[]	No
links	EnrichmentLink[]	No
extra	Record<string, unknown>	No	What the plugin said that the SDK has no field for. Per provider only: the merged view drops it. Never holds a URL: any string with one is dropped when read, along with the key or array element that held it