Research how to save the originalalbum and originalartist tags introduced in PICARD-1034 to tag formats other than ID3.

Have a look at how MusicBee and MP3Tag and maybe other tools handle it. E.g. for Vorbis "ORIGALBUM" and "ORIGARTIST" are used.

See discussion at https://community.metabrainz.org/t/can-you-force-picard-writing-a-tag-to-flac-only/394291/5