David Kaff, the British actor and musician who played keyboardist Viv Savage in Rob Reiner’s hit 1984 mockumentary “This Is Spinal Tap,” died Saturday. He was 79.

Kaff played keyboardist Viv Savage in the film and was a member of the real band Mutual of Alameda’s Wild Kingdom, which announced his death, according to Deadline. The band posted to Facebook that he died in his sleep on July 11,

Known for playing hard-partying keyboardist Viv Savage in Rob Reiner's 1984 cult classic This Is Spinal Tap, Kaff is being remembered by his bandmates as a "dear brother" with a "kind word and a quick wit" after his death at the age of 79.