All that stuff about heavy metal and hard rock, I don't subscribe to any of that. It's all just music. I mean, the heavy metal from the Seventies sou… - Ozzy Osbourne

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All that stuff about heavy metal and hard rock, I don't subscribe to any of that. It's all just music. I mean, the heavy metal from the Seventies sounds nothing like the stuff from the Eighties, and that sounds nothing like the stuff from the Nineties. Who's to say what is and isn't a certain type of music?