"He really wanted to do it and he was determined to do it," the group's guitarist said following Osbourne's death

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.

Ozzy Osbourne ’s loved ones have been joined by the Black Sabbath legend’s celebrity friends, and fellow musicians, as they prepare to lay him to rest today. The rocker died aged 76 on July 22, after a long battle with Parkinson’s and other health problems – although no official cause of death has been announced.