All four original members of Black Sabbath are reuniting to play a fundraising concert at Villa Park on Saturday 5 July.

The one day concert will mark the first time that Ozzy Osbourne, Tony Iommi, Geezer Butler and Bill Ward have played together in 20 years.

Curated by musical director Rage Against The Machine guitarist Tom Morello, the event will also feature performances by Metallica, Slayer, Pantera, Anthrax, Gojira, Alice In Chains, Lamb Of God, Mastodon and Halestorm.

The event will also feature a supergroup of musicians. Artists announced so far include Billy Corgan (The Smashing Pumpkins), David Draiman (Disturbed), Duff McKagan & Slash (Guns ‘n Roses), Frank Bello (Anthrax), Fred Durst (Limp Bizkit), Jake E Lee, Jonathan Davis (Korn), KK Downing, Lzzy Hale (Halestorm), Mike Bordin (Faith No More), Rudy Sarzo, Sammy Hagar, Scott Ian (Anthrax), Sleep Token ii (Sleep Token), Papa V Perpetua (Ghost), Tom Morello (Rage Against The Machine), Wolfgang Van Halen and Zakk Wylde.

Proceeds from the show will support Cure Parkinson's, Birmingham Children's Hospital Charity and Acorn Children's Hospice.

Tickets go on sale at 10am on Friday 14 February at livenation.co.uk