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.

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.

Black Sabbath is reuniting for one more show to celebrate Ozzy Osbourne's final concert in Birmingham, England on July 5.