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.

One of the most legendary heavy metal bands of all time is reuniting.

Despite Black Sabbath being masters of metal throughout their run with Ozzy Osbourne, The Prince of Darkness has his soft spots for certain albums.