Black Sabbath are playing their final show today at the Back To The Beginning festival, and all the bands are paying tribute to them during their sets. In addition to Tool covering “Hand Of Doom,” Metallica performed two Black Sabbath songs and Guns N’ Roses tackled four.

Osbourne, who has been battling a variety of serious health issues for several years, is making good on a promise to end his performing career on his own terms, performing a solo set in addition to reuniting with the original lineup of Black Sabbath one last time.