“There was a band called Blue Cheer, who I think were probably the originators of heavy metal because they didn’t really have traditional roots in the blues. They didn’t have a mission. It was just about being loud. Cream were very loud, too, and we got caught up in having huge banks of Marshall amps just for the hell of it. But we had a really strong foundation in blues and jazz. Led Zeppelin took up our legacy. But then they took it somewhere else that I didn’t really have a great deal of admiration for.”