With the exception of instrumental tracks, there are a total of 20 songs from Sabbath's albums with Osbourne that never made the cut live, according to Setlist.fm. Therefore, there may have been a time where a song was played for a specific event that wasn't a concert.

They created some incredible songs during their run but there's one Black Sabbath song that Ozzy Osbourne considers to be their most important

Osbourne has received a number of accolades through career, including a Grammy for Best Metal Performance in 1994. In 2006, he was inducted into the Rock and Roll Hall of Fame with his Black Sabbath bandmates, then again as a solo artist last year by Hollywood actor Jack Black.