Is there a way to tell Picard not to scrape particular tags from MusicBrainz? For instance, I have no interest in any of the sort related, performer, or lyricist tags.
AFAIK you can not prevent that Picard scrape particular tags from MusicBrainz.
But you can use a script to tell Picard not to write this information into your files.
$set can be used for this purpose:
or if you don’t want the content at all: