Ozzy Osbourne, pioneering heavy metal singer and Black Sabbath frontman, dies at 76

British musician Ozzy Osbourne performs at the World Music Theater, Tinley Park, Chicago, Illinois, August 20, 2000. Paul Natkin | Archive Photos | Getty Images Ozzy Osbourne, the wailing Black Sabbath singer-turned-solo act who took the “Crazy Train” from a bleak childhood in working-class Birmingham, England, to heavy metal stardom, has died. He was 76….