Decades before reality television was invented, Ozzy Osbourne was subversive and dark. Ozzy was the singer in the heavy metal band Black Sabbath, and they meant business. In an era when rock bands were measured by how 'heavy' they were, no one was weightier than Black Sabbath. All four founding members of the original Black Sabbath grew up within half-a-mile of each other in a tiny Birmingham suburb. Though all shared a deep love of music--The...