 More tour dates followed in 2005, including another appearance on the Ozzfest tour, before Iommi began working with Dio in early 2006 on new tracks for an upcoming compilation titled "".Butler and Ward were initially named as the rhythm section completing the project.At Iommi's behest, the group rebranded themselves as Heaven & Hell to differentiate this incarnation from the Osbourne-fronted Black Sabbath which was then only on a hiatus.