The rock bands Guns N Roses, Tool and Rival Sons have all announced they will be performing at Ozzy Osbourne’s farewell concert in Birmingham, United Kingdom, on July 5. Billed as “Back To The Beginning,

Fans gathering in their masses, just like witches at black masses, should prepare for a reduced amount of Ozzy Osbourne at the upcoming final Black Sabbath concert. Speaking on the aptly titled Ozzy Speaks show on Osbourne’s SiriusXM channel [ via Billboard],

Ozzy Osbourne has warned fans not to expect him to be the singer he once was at what is being billed as his final show this summer. On his Sirius XM radio show, Ozzy Speaks, the veteran frontman said he would only be partially on stage during the show.