He might be famous as Guns N' Roses punk bassist, but Duff McKagan has always professed a love for music in many forms, with a longstanding relationship to both Sabbath and Ozzy Osbourne, even playing on the latter's last two albums.

Tony Iommi, British heavy metal band Black Sabbath’s co-founder and guitarist is of the opinion that his late bandmate Ozzy Osbourne waited to perform at the band’s farewell concert before passing away. Osbourne, who died on July 22, performed at Villa Park in Birmingham, UK, on July 5 with the original members, Iommi, Geezer Butler and Bill Ward.

Bassist Terence “Geezer” Butler, guitarist Tony Iommi, lead singer Ozzy Osbourne, and drummer Bill Ward were all between the ages of 18 and 20 when they began playing together in Birmingham. Naming themselves after an Italian horror film in early 1969,