Born in 1948, Ozzy Osbourne released his first CD, "Diary of a Madman," in 1981. His most popular songs include "Shot in the Dark" and "Miracle Man." Osbourne's hit single "I Don't Wanna Change the World" earned him a Grammy Award in 1991. The former frontman for the heavy metal band Black Sabbath reunited with the group in 1998 for the Ozzfest tour and live album.