As one of the first and most influential heavy metal bands of all time, Black Sabbath helped define the genre with releases such as 1970's quadruple-platinum Paranoid. They were ranked by MTV as the Greatest Metal Bands of all time.
Ozzy Osbourne was fired from the band in 1979, and while initially replaced by former Rainbow vocalist Ronnie James Dio, Black Sabbath would see a revolving lineup in the 1980s and 1990s that included vocalists Ian Gillan, Glenn Hughes, Ray Gillen, and Tony Martin. The original lineup reunited with Osbourne in 1997 and released a live album, Reunion, which spawned the Grammy Award-winning single "Iron Man" in 2000, thirty years after the song's initial release on the album Paranoid.
The early 1980s line-up featuring Iommi, Butler, Dio, and Vinny Appice reformed in 2006 under the moniker Heaven and Hell, a title taken from the 1980 Black Sabbath song and album of the same name. In February 2009, Heaven and Hell announced that they are recording a new album, The Devil You Know, with a release date of April 28, 2009.
The band's now back together, but only consists of Osbourne, Iommi and Butler with Brad Wilk on drums and percussion for "13" due to Bill Ward's contractual issues and some fighting going on between him and Ozzy.
The band embarked a world-wide final tour titled "The End" that would start in 2016 and end in early 2017, originally going to be their final tour but not the end of the band, untill they decided to disband.
(Section: Cancelled Black Sabbath Album)
After the "13" album was released, the band were planning on doing a more blues-oriented release ala their self-titled album, this sadly didn't happen as they decided to disband after "The End" tour.