Category:Levels named after music groups

A very big [citation needed] here, because these names are all kinda cliché. If a level was called Led Zeppelin or Pink Floyd, sure, those are names that are unique enough to be non-ambiguous, but the ones below? However, the timing of the existance of those bands, as well as the release of Doom games raises the question of inspiration.

See also Levels named after songs.