 On February 21, 1967, he attended the overdub and mixing session for the Beatles' "Fixing a Hole" at EMI's Abbey Road studio 2.During the 1970s, during , Lennon, Ringo Starr, Micky Dolenz, Harry Nilsson and Keith Moon often hung out together, and were collectively known in the press as "The Hollywood Vampires".Paul McCartney can be seen in the 2002 concert film "Back in the U.S." singing "Hey, Hey, We're The Monkees", the theme from "The Monkees" television show, while backstage.