This has been discussed previously (https://community.metabrainz.org/t/merge-concert-album-and-video-release-groups/115437) and I'm unaware of any consensus on the issue. The reason I'm making a new thread instead of necro-bumping that thread is because I've run across a similar issue: video albums. Video albums were sort of long-form music videos released on home video in the 1980s, sometimes as companions to their audio-only counterparts. I don't know if it's ever been discussed at length whether these video albums should be given their own release groups or be lumped in with their audio-only counterparts. Any thoughts?