Rage Against The Machine's mercurial guitarist helped curate the Back To The Beginning spectacular. It was a job he'd been training for his whole life

Black Sabbath, comprised of Ozzy Osbourne, Terrence "Geezer" Butler, Tony Iommi and Bill Ward, rose to fame in the 1970s. In the wake of Osbourne's death, here's where the original members of Black Sabbath are now.

Black Sabbath bassist Geezer Butler shared memories of Ozzy Osbourne's final performance before the rock legend's death at 76, reflecting on their 57-year friendship.