I want to take a quick detour to mention the insanity that was GPW2's puzzle, which included opening the game in external level-making software on your PC in order to crack the code as well as unmarked hints in the screenshots section of the site where it was uploaded. Some of the coolest stuff ever

Anyway, one of the songs used was "The Man Who Sold The World", by David Bowie. However, the first result that often shows up is the Nirvana cover from their MTV Unplugged session. Since it's live, there's banter. Since there's banter, that banter ends up in the lyrics on most lyric sites.