. . . . . . "From the late '60s to late '70s Graydon was a session musician in Los Angeles, working with such artists as Gino Vannelli, Barbra Streisand, Dolly Parton, Diana Ross, The Jackson Five, Alice Cooper, Cheap Trick,Al Jarreau, Christopher Cross, Ray Charles, Cher, Joe Cocker, Marvin Gaye, Hall & Oates, Wayne Shorter, Olivia Newton-John, and Albert King." . . .