Black Sabbath

The all-star celebration has been announced as the singer's last-ever live performance.

The singer says training for the gig is "like starting all over again."

On their first tours apart, Black Sabbath and Ozzy Osbourne took different approaches to their shared back catalog.

Rock's biggest acts entered the new decade with new lineups, new sounds and new facial hair.

Guns N' Roses and Tool have also been added to July's star-studded "Back to the Beginning" concert.

Prince of Darkness "didn't have a chance to say goodbye to his friends, to his fans," Sharon Osbourne says.

Star-studded 'Back to the Beginning' show will also feature dozens of guest stars.

Geezer Butler says the bandmates have discussed the idea.

Bassist says drug-fuelled 1977 move gave him the best two weeks he’d had in years.

Black Sabbath's move hit Osbourne "like a ton of bricks."