Black Sabbath has announced the 'final' show by its original lineup, a benefit titled 'Back to the Beginning' with Metallica, Slayer and others.

Ozzy Osbourne will come out of touring retirement and reunite with the full Black Sabbath lineup for the first time in 20 years.

Alongside Black Sabbath reuniting, the gig will play host to performances from dozens more icons of the genre, including sets from Metallica, Slayer and Anthrax, as well as the likes of Pantera, Lamb Of God, Mastodon, Alice In Chains, Halestorm and recent Grammy Award-winners Gojira.