Black Sabbath are a rock band from England. The band was formed in Birmingham by Ozzy Osbourne
(lead vocals), Tony Iommi (guitar), Geezer Butler (bass), and Bill Ward (drums and percussion) but has changed members more than 20 times. The group was originally called Earth but was re-named to Black Sabbath. In America alone, Black Sabbath has sold more than 15 millions records and they are clearly one of the most influential heavy metal bands of all time. Their claim to fame though was the album "Paranoid" which was released in 1970.