open 12 to 7 today ! on this date in 1992 ! Dehumanizer is the sixteenth studio alb** by English rock band Black Sabbath, released in June 1992. It was the first Black Sabbath studio alb** in over a decade to feature Ronnie James Dio on vocals and Vinny Appice on drums.[6] It is also the first in nine years to feature original bassist Geezer Butler. Initial writing and demo sessions at Rich b**** Studios in Birmingham featured drummer Cozy Powell; bootlegs of these sessions exist. This alb**'s line-up of Dio, Appice, Butler, and guitarist Tony Iommi later reunited in 2006 for a greatest hits set, Black Sabbath: The Dio Years, and a new studio alb** in 2009, The Devil You Know (billed as Heaven & h*** ).