(Slayer and Pantera, too. See http://doom.wikia.com/wiki/Doom_music http://doom.wikia.com/wiki/Doom_music for one plausible breakdown of "inspirations". The "

(Slayer and Pantera, too. See http://doom.wikia.com/wiki/Doom_music http://doom.wikia.com/wiki/Doom_music for one plausible breakdown of "inspirations". The "Bobby Prince is a Filthy Thief" compilation, too: http://www.doomworld.com/linguica/doomcovers/ http://www.doomworld.com/linguica/doomcovers/) The soundtrack didn't make a huge amount of money, and wasn't highly visible, would be the real reasons, as far as I can see. Also, arguably, the Blurred Lines lawsuit sets a new precedent for this kind of thing. The story goes that Bobby Prince, being a lawyer, knew just how much he could copy without infringing, but that seems pretty tenuous in some of these cases.