It is currently unclear if, when an artist name could be considered a part of a release/release group title, it should be included. For example, https://musicbrainz.org/release-group/5f016148-f522-3832-8da6-f694bd3cb751 (currently titled "Plays Metallica by Four Cellos") seems to make sense reading as "Apocalyptica Plays Metallica by Four Cellos".

There is some precedent for this. https://musicbrainz.org/release-group/5f135b33-c28f-36dc-aa9c-9a4851665226 is titled "Her Majesty the Decemberists" rather than simply "Her Majesty", https://musicbrainz.org/release-group/eea34ad0-d5c1-3027-a490-544d88802339 is titled "Daedelus Denies the Day's Demise" rather than simply "Denies the Day's Demise", etc. I recall there being a guideline explicitly stating this at some point, but cannot find evidence for it.