Black Sabbath were an English rock band, formed in Aston, Birmingham in 1969 by Ozzy Osbourne (lead vocals), Tony Iommi (guitar), Geezer Butler (bass guitar), and Bill Ward (drums). A total of twenty-two musicians have at one time been members of Black Sabbath. Originally formed as a heavy blues rock band named Earth, the band began incorporating occult- and horror-inspired lyrics with tuned-down guitars, changing their name to Black Sabbath and achieving multiple platinum records in the 1970s. Black Sabbath is known as the pioneers of heavy metal. They have more than 100 million records sold worldwide. Fan Site: http://www.black-sabbath.com/