Jimmy Page, Robert Plant & John Bonham jam with the Jeff Group during their appearance at the Singer Bowl in New York. Other participants included: Rod Stewart, Ric Lee, Glenn Cornick (Jethro Tull) and Ron Wood.

Press Review – "Sunday’s (13th) Jeff Beck, Vanilla Fudge, 10 Years After, Edwin Hawkins Singers concert at Singer Bowl resulted in an unexpected jam amongst members of The Jeff Beck Group, Led Zeppelin and Jethro Tull. The music excited Zeppelin drummer John Bonham to the point where he started tearing his clothes off. He was carried offstage by friends before he could get past his underwear."

Jeff Beck: "...it was one of those riotous sort of days. Everybody's energy level was one hundred percent and we were throwing things at each other on stage; I threw a mug of orange juice at Alvin Lee and it was all over his guitar. Robert Plant and Jimmy Page and Bonham came on the stage at the end of our act and (Rod) Stewart and Planty were singing the blues together and I was playing a duet thing with Pagey."