After an independent career, he joined Disney Studios in the late 1950s and worked until 1980. He wrote music for other Disney films such as No Deposit, No Return, Napoleon and Samantha, Prince Donegal, Gus, The Aristocats, Robin Hood, The Strongest Man in the World, Summer Magic, The Fox and the Hound, The North Avenue Irregulars, Hot Lead, Cold Feet, The Tale of Two Critters, The Shaggy DA, The Apple Dumpling Gang, The Love Bug, The Horse in the Grey Flannel Suit, Treasure of Matecumbre, The Bears and I, Herbie Rides Again, Charley and the Angel, Run, Cougar, Run, The Biscuit Eater, The Million Dollar Duck, Rascal, Smith!, The Adventures of Bullwhip Griffin, The Legend of the Boy Eagle, Follow Me Boys!, The Monkey's Uncle, The Three Lives of Thomasina, Savage Sam, The Incredible Journey and the Computer Who Wore Tennis Shoes, among others.
He also orchestrated some of the music played at the theme parks including Great Moments with Mr. Lincoln and music heard at Liberty Square in Walt Disney World.