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 former Black Sabbath vocalist Glenn Hughes, and former Judas Priest drummer Dave Holland. The album was not officially released following its completion, although a widely traded bootleg called "Eighth Star" surfaced soon after. The album was officially released in 2004 as "The 1996 DEP Sessions", with Holland's drums re-recorded by session drummer Jimmy Copley. In 1997, Tony Iommi disbanded the current line-up to officially reunite with Ozzy Osbourne and the original Black Sabbath line-up. Vocalist Tony Martin claimed that an original line-up reunion had been in the works since the band's brief reunion at Ozzy Osbourne's 1992 Costa Mesa show,