The original Black Sabbath lineup, featuring Ozzy Osbourne, Tony Iommi, Geezer Butler and Bill Ward, will perform at the “Back to the Beginning” concert on July 5 in Birmingham, England.

Black Sabbath is reuniting for the last time — and for a good cause. This July 5, Ozzy Osbourne, guitarist Tony Iommi, bassist Geezer Butler and drummer Bill Ward will join together once more for a concert in Birmingham,

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.