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

Singer Ozzy Osbourne, guitarist Tony Iommi, bassist Geezer Butler, and drummer Bill Ward. At first, they called themselves the Polka Tulk Blues Band. They changed their name a couple of times, first to Earth and then to Black Sabbath.