Mob Rules

Mob Rules is the tenth studio album by the English heavy metal band Black Sabbath, released in November 1981. It followed 1980's Heaven and Hell, and it was the second and last Black Sabbath studio album to feature lead vocalistRonnie James Dio prior to the 1992 album Dehumanizer.[5]

Produced and engineered by Martin Birch, the album received an expanded edition release in 2010.