Black Sabbath's Ozzy Osbourne performed despite being frail in his final public appearance weeks before his death at 76, according to Rage Against the Machine guitarist Tom Morello.

A musician who worked with Ozzy Osbourne during his final Black Sabbath concert has claimed that the rocker 'knew he was dying'

Rocker Tom Morello is shedding light on Ozzy Osbourne’s final Black Sabbath show. The late metal god’s friend, 61, shared that Osbourne knew the Black Sabbath’s “Back to the Beginning” farewell concert on July 5 would be his last performance. The Prince of Darkness died at age 76 on July 22.