Tony Iommi is the lone member of Black Sabbath to appear on all 19 of the studio albums. In fact, 1986's Seventh Star was initially meant to be an Iommi solo record before last minute pressure from their label led it to being released under the Black Sabbath moniker.

Why are Black Sabbath coming back? Who else is on the bill? How do I get tickets? We answer all your questions about this summer’s Back To The Beginning extravaganza

Ozzy Osbourne has announced that the original members of Black Sabbath will play a concert together for the first time in 20 years.

The concert, titled Back to the Beginning, will mark the first time the original four members of Black Sabbath — Ozzy Osbourne, Tony Iommi, Geezer Butler and Bill Ward — will perform together in 20 years. A plethora of other huge rock and metal musicians, including Metallica, Slayer, Alice in Chains, Anthrax and more will also play at the event.

Ozzy Osbourne will perform one final show with Black Sabbath, reuniting with all of the band’s original members for the first time in 20 years.

Ozzy Osbourne and the original Black Sabbath lineup will reunite this summer for the first time in 20 years. It's expected to be Osbourne's final live show.

Ozzy Osbourne has announced his final show — and it will feature a reunion of the original lineup of Black Sabbath for the first time in 20 years.

The original line-up of heavy metal legends Black Sabbath, including Ozzy Osbourne, will play together for the first time in 20 years at a one-off concert on July 5 in Birmingham, England, organizers said on Wednesday (February 5).

Osbourne is set to reunite with original bandmates Tony Iommi, Geezer Butler and Bill Ward for a farewell concert in July.

Black Sabbath and Ozzy Osbourne's swan song boasts a stacked metal lineup unlike any other single-day festival of this century.