Formed in 2006 after late-era Black Sabbath members Ronnie James Dio, Tony Iommi, Geezer Butler, and Vinny Appice reunited after a 15-year hiatus for three new tracks on the Dio Years compilation, Heaven & Hell, named after Sabbath's first recording with Dio in 1980, toured under the moniker in 2007 and released the two-disc CD/DVD Live from Radio City Music Hall later that year. The band's first full-length studio recording, Devil You Know, arrived in 2009. However, in November of that year Dio's wife, Wendy, announced that Dio was suffering from stomach cancer, although indi...