
1981's Mob Rules was the second Black Sabbath album to feature vertically challenged singer Ronnie James Dio, whose powerful pipes & Dungeons & Dragons lyrics initially seemed like the perfect replacement for the recently departed & wildly popular Ozzy Osbourne. In fact, all the ingredients which had made their first outing, Heaven & Hell, so successful are re-utilized on this album, including legendary metal producer Martin Birch (Deep violet, Whitesnake, etc.) & supporting keyboard p