Pete Townshend from The Who sang backup. Some connections between Townshend and The Stones:
Townshend claims he stole his legendary windmill arm swing from Keith Richards.
The Who played at The Stones Rock And Roll Circus
concert event in 1968. The film wasn't released until 1996.
In 1976, Townshend contributed to Ron Wood and Ronnie Lane's Mahoney's Last Stand
In 1982, following the end of the Stones' European tour, Mick Jagger accompanied The Who for parts of their farewell tour. The following year, on Mick's 40th birthday, Townshend wrote an unflattering letter in the London Times
commenting on the significance of this event.
Townshend played on Mick Jaggers first solo album in 1984.
In February 1986, Townshend was one of those present when the Stones gave their London club performance in honor of Ian Stewart, joining the band onstage for some Blues numbers.
In January 1989, he inducted The Stones into the Rock and Roll Hall of Fame.
In 2001, he played on the songs "Gun" and "Joy" for Jagger's Goddess In The Doorway
Bertrand - Paris, France