In the wake of making the troublesome latter album, Osbourne bolted the group in 1977 and embarked on a solo project, Blizzard of Ozz, and was replaced by singer Dave Walker of Savoy Brown. However, he swiftly changed his mind and returned to the Sabbath fold for a dismal collection ironically titled “Never Say Die!”

Ozzy Osbourne, the storied Black Sabbath lead singer known as much for his excesses and bizarre onstage antics as his pioneering heavy metal music, has died in London.