A legendary farewell. Black Sabbath reunited for Ozzy Osbourne’s final show with the band at Villa Park in Birmingham on Saturday, and the electric concert featured performances by other rock legends.

Those who were at the event or watched the livestream likely noticed that Black Sabbath drummer Bill Ward, 77, took his shirt off during the group's final performance. Now, Iommi has revealed a humorous story about Ward's habit and what the band members had to say about it.

In front of a hometown crowd of over 40,000 at England’s Villa Park, Osbourne played his final concert. Titled “Back to Beginning,” the concert lasted ten hours and featured a lineup of multiple rock and roll greats, including Metallica, Slayer and members of Guns N’ Roses, among others. The event’s host was actor Jason Momoa.