He has numerous film and television scoring credits, including composing and conducting the score for the movie Conquest of the Planet of the Apes, and appeared on records by the Beach Boys, Blondie ("Rapture"), Grateful Dead, George Harrison, Whitney Houston ("Saving All My Love for You"), Quincy Jones, Carole King, Richard Marx ("Children of the Night"), Paul McCartney ("Listen to What the Man Said"), Joni Mitchell, Eddie Money, Olivia Newton-John, Pink Floyd, Helen Reddy, Frank Sinatra, Steely Dan ("Black Cow"), Steppenwolf, and Rod Stewart ("Da Ya Think I'm Sexy?").