Oscar-winning songwriter who also worked as a producer, arranger and keyboardist with people like The Rolling Stones, James Brown, Elvis Presley, Miles Davis, The Beach Boys, Phil Spector, Captain Beefheart, Bobby Darin, Neil Young, Randy Newman, Ike & Tina Turner, Tammy Wynette, John Lee Hooker, Barbra Streisand, The Neville Brothers, Graham Parker, Jackie DeShannon, The Monkees, Marianne Faithfull, Sonny & Cher, Buffy Sainte-Marie, Ricky Nelson, Willy DeVille, Doris Day and The Germs, so it's no surprise if you've never heard of him.