He said: “Eminem was going to sing on [the Iommi album], but I didn’t know who Eminem was, and they said, ‘This Eminem wants to sing it.’ ‘Who’s Eminem?’ I had no idea who he was at the point; quite embarrassing really.
“So we didn’t go with Eminem, Kid Rock came and he had done a couple of things and we never used that,” Iommi continued. “And then we had a list of other people who came. It was good fun, it was good to do, I wanted something a bit different from what I’ve done. Billy Corgan was good to work with, it’s nice to work with other people and see how they worked as well.