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 will reunite with all of the original members of Black Sabbath for the first time in 20 years, in a gig that will be his last and that's being billed as the “greatest” heavy metal show ever,

Fans of Black Sabbath on Tuesday snapped up the first tickets for the UK heavy-rock giants' one-off hometown gig, where the original line-up will perform for the first time in 20 years and frontman Ozzy Osbourne's will bow out.

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

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

Scheduled for July 5 at Villa Park, the show will feature Osbourne playing a short solo set, followed by him joining Sabbath for what's described as his "final bow." There will also be performances by Metallica, Slayer, Pantera, Gojira, Halestorm, Alice in Chains, Lamb of God, Anthrax and Mastodon.

The original line-up of heavy metal legends Black Sabbath, including Ozzy Osbourne, will play together for the first time in 20 years at a one-off concert on July 5 in Birmingham, England, organisers said on Wednesday.

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