Ozzy Osbourne "Necromandus", who had supported Black Sabbath in Birmingham when they were called "Earth", did backup for Osbourne in the studio and briefly became the first incarnation of his solo band. At the request of the other members, Osbourne rejoined Sabbath. The band spent five months at Sounds Interchange Studios in Toronto, Ontario, Canada, writing and recording what would become "Never Say Die!" "It took quite a long time", Iommi said. "We were getting really drugged out, doing a lot of dope. We'd go down to the sessions, and have to pack up because we were too stoned, we'd have to
13 (Black Sabbath album) continue the world tour but would play the Download festival in June 2012. Instead of Black Sabbath, the tour would feature Osbourne and a revolving line-up of guest musicians, billed as "Ozzy and Friends." On 11 April, Lollapalooza founder Perry Farrell announced that Black Sabbath would perform at Lollapalooza 2012. Farrell said this would be Black Sabbath's only American concert in 2012. On 15 May 2012, Ward posted on his website that "after a final effort to participate in the upcoming Sabbath shows a failure to agree has continued" and that he would not be participating in the reunion shows,