Before he was a pioneering reality television star, he was a pioneering heavy metal singer. But Ozzy Osbourne’s music has always felt bigger than his celebrity.

Over the course of his storied music career, rock icon Ozzy Osbourne faced health battles with substance abuse and Parkinson's disease.

Ozzy Osbourne, the gloomy, demon-invoking lead singer of the pioneering band Black Sabbath who became the throaty, growling voice — and drug-and-alcohol ravaged id — of heavy metal, died ...