Black sabbath
Black Sabbath is a group of English heavy metal of Birmingham. The soundtrack line up of Ozzy Osbourne (vocals), Tony Iommi (guitar), Terence "Geezer" Butler (bass) and Bill Ward (drums) is the same as the current line-up (2008) although there has been many personnel changes over the years.
Black Sabbath still a dominant influence in the heavy metal genre they helped create VH1's 100 Greatest Artists of Hard Rock ranks second, behind Led Zeppelin.
Currently, the early 1980's line-up of the band featuring Iommi, Butler, Ronnie James Dio and Vinny Appice are turned and fences under heaven and hell, a title taken from the 1980 Black Sabbath album of the same name.
The original and most famous line-up is often cited as the inventor of the heavy metal genre. Black Sabbath have sold more than 100 million albums around the world.
Source: Wikipedia