Tony Iommi, Black Sabbath guitarist and co-founder, told UK broadcaster ITV that Osbourne was “frustrated” during the band’s farewell concert on July 5. The heavy metal icon died less than three weeks later, on July 22, at age 76.

Ozzy Osbourne closed out his career on a high note when he performed at the Back to the Beginning farewell show at Villa Park in Birmingham, England on July 5. Seated on a bat-winged throne, the legendary rocker,

Black Sabbath guitarist Tony Iommi said he thinks bandmate Ozzy Osbourne was "determined" to play the group's farewell show and "really just held out" to do so weeks before his death.