Original: Black Sabbath are an English rock band, formed in Birmingham in 1968 by Ozzy Osbourne (lead vocals), Tony Iommi (guitar), Geezer Butler (bass), and Bill Ward (drums and percussion).
Simplified: The original line up was Ozzy Osbourne (vocals), Tony Iommi (guitar), Terence "Geezer" Butler (bass), and Bill Ward (drums) History Black Sabbath formed in 1968.