Same recording, multiple releases. Some have relation-list, some don't

[outsidecontext]

See here:

How to get a huge release from API including area and place?

As @jesus2099 said the web service omits recording relationships on releases exceeding a certain no. of recordings for performance reasons. Picard is plagued by the same issue. One solution is to do a separate query for just the recordings in this case: https://musicbrainz.org/ws/2/recording?release=1d9867ad-721a-4abb-9a22-41e118531068&inc=area-rels+place-rels&limit=100&offset=0 This will give you the missing relationships. But note that this request is paginated and returns a max. of 100 rec…