The Dirty Mac were a one-time English supergroup consisting of
John Lennon, Eric Clapton, Keith Richards and Mitch Mitchell
that Lennon put together for The Rolling Stones' TV special entitled
The Rolling Stones Rock and Roll Circus.

Recorded on December 11, 1968, this was the first time that Lennon,
who was still with The Beatles, had performed in public
without the other Beatles. – Wikipedia

• Eric Clapton – lead guitar (from Cream)
• Mitch Mitchell – drums (from The Jimi Hendrix Experience)
• Keith Richards – bass (from The Rolling Stones)
• John Lennon as “Winston Leg-Thigh”
  – vocals, rhythm guitar (from The Beatles)
• Yoko Ono – vocals
• Ivry Gitlis – violin