Edited sentence: For all the talk of originality, Nirvana's music - though dangerous and refreshing in an era of dire Manchester "Baggie" bands and house music - was suprisingly derivative.Indeed, the standout track for the bend, Smells Like Teen Spirit is remarkably similar to a song by Crazy Horse (Neil Young's backing band) called Mr Chips.Signing with David Geffen didn't help: he opened himself up to allegations of soul-selling and blatant commercialism.Some songs were poorly-disguised rip-offs of Killing Joke songs, and there were many similarities with the music of Neil Young also