Osbourne, who battled Parkinson’s before his death, sat onstage in a black leather chair as he performed for the 42,000-person crowd. He sang five songs by himself, before he was joined by his former bandmates for four Black Sabbath songs.

Two of Ozzy Osbourne’s books are on the bestseller list following his death2. As of July 24, Osbourne’s memoirs, including 2010’s 'I Am Ozzy' and the forthcoming 'Last Rites,' were in top spots on Amazon's Movers and Shakers bestseller list.

KISS frontman Gene Simmons pays tribute to Ozzy Osbourne on "CBS Mornings," calling the Black Sabbath legend a "pure human being."