Black Sabbath Black Sabbath Black Sabbath were an English rock band, formed in Birmingham in 1968, by guitarist and main songwriter Tony Iommi, bassist and main lyricist Geezer Butler, drummer Bill Ward, and singer Ozzy Osbourne. Black Sabbath are often cited as pioneers of heavy metal music. The band helped define the genre with releases such as "Black Sabbath" (1970), "Paranoid" (1970), and "Master of Reality" (1971). The band had multiple line-up changes, with Iommi being the only constant member throughout its history. Formed in 1968 as the Polka Tulk Blues Band, a blues rock band, the group went through line up
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