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,

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

Scheduled for July 5 at Villa Park, the show will feature Osbourne playing a short solo set, followed by him joining Sabbath for what's described as his "final bow." There will also be performances by Metallica, Slayer, Pantera, Gojira, Halestorm, Alice in Chains, Lamb of God, Anthrax and Mastodon.