Dirty Mac was the name of John Lennon's performance project in The Rolling Stones' 1968 television project The Rolling Stones Rock and Roll Circus. The group featured Lennon on rhythm guitar, Eric Clapton on lead guitar, Keith Richards on bass guitar, Mitch Mitchell on drums, Ivry Gitlis on violin, and Yoko Ono.
They performed Yer Blues and another song called "Whole Lotta Yoko"