since you mention Picard and wanting contribute to MusicBrainz. I'm working on a new fast tagger[1] in the spirit of Picard or beets. Just a little different and more scriptable
It makes it's best attempt to match with MusicBrainz, but if there's no match it it offers links to pre-seed MusicBrainz with tools like Harmony
It makes it's best attempt to match with MusicBrainz, but if there's no match it it offers links to pre-seed MusicBrainz with tools like Harmony
https://github.com/sentriz/wrtag