Black Sabbath performed “War Pigs,” “N.I.B.,” “Iron Man” and “Paranoid” — while Osbourne, 76, also performed solo songs such as “I Don’t Know,” “Mr. Crowley,” “Suicide Solution,” “Mama, I’m Coming Home” and “Crazy Train.”

After Sharon Osbourne revealed that a band was dropped from Ozzy's Black Sabbath farewell concert for being "greedy," fans have been speculating who it is