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

Heavy metal pioneers Black Sabbath have confirmed details of their final-ever live show, which is set to take place this summer (July 5) with a plethora of support acts. The event will see the band's classic line-up – comprising frontman Ozzy Osbourne,

Black Sabbath has announced the 'final' show by its original lineup, a benefit titled 'Back to the Beginning' with Metallica, Slayer and others.