Jack White, Metallica, Rob Zombie, Elton John and more paid tribute to Ozzy Osbourne after the Black Sabbath frontman died at 76 on Tuesday morning. Osbourne had been recovering from several spinal surgeries as well as his ongoing battle with Parkinson’s disease.

Rage Against the Machine guitarist Tom Morello, who served as musical director for Osbourne’s final show, shared a photo with the late singer on Instagram, writing, “Good bless you Ozzy.” Metallica’s X account also shared an image with Osbourne with a heartbroken emoji.

Rock icon Ozzy Osbourne has died at 76, with tributes pouring in from Elton John, Black Sabbath bandmates, and other celebrities following his final reunion performance in early July.