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
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,