artistGroupSources

Query

Fetch all sources for all artists in an artist group.

This query:

1. Takes an artistGroupKey to identify the artist group
2. Finds all artists in that group via the ArtistToArtistGroup join table
3. Fetches all performances for those artists
4. Returns all sources for those performances

Optional filters:

• year: Filter sources to only those from performances in a specific year

Sources are ordered by performance date, then by source ID.

Returns Connection_Source .