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
Black Sabbath of "Dehumanizer" in July 1992 with Testament, Danzig, Prong, and Exodus. While on tour, former vocalist Ozzy Osbourne announced his first retirement, and invited Sabbath to open for his solo band at the final two shows of his "No More Tours" tour in Costa Mesa, California. The band agreed, aside from Dio, who told Iommi, "I'm not doing that. I'm not supporting a clown." Dio spoke of the situation years later: Dio quit Sabbath following a show in Oakland, California on 13 November 1992, one night before the band were set to appear at Osbourne's retirement show. Judas Priest vocalist