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.

Ozzy Osbourne and Black Sabbath are reuniting for one last time, to play a fund-raising concert in Birmingham on 5 July. The heavy metal pioneers will headline a spectacular one-day festival at Villa Park, featuring dozens of bands they inspired, including Metallica, Pantera, Slayer, Gojira and Anthrax.

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

Ozzy Osbourne will come out of touring retirement and reunite with the full Black Sabbath lineup for the first time in 20 years.

Ozzy Osbourne is performing his farewell show with the band’s original lineup, backed by bands including Metallica, Slayer and Lamb of God

Ozzy Osbourne and Black Sabbath are reuniting for one last time to play a fundraising concert in Birmingham on 5 July - but unlucky fans have struggled getting tickets

Black Sabbath fans snapped up the first tickets for the UK rock giants' hometown gig, where the original line-up will perform for the first time in decades.

Ozzy Osbourne has announced that the original members of Black Sabbath will play a concert together for the first time in 20 years.

Find out everything you need to know about Black Sabbath tickets, from ticket prices and support acts to where to buy them.

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.

Ozzy Osbourne’s wife/manager says that it was The Prince Of Darkness himself spearheading efforts for the band’s classic lineup to play together again