Plumb, Ed (1907-1958) He joined Disney in 1938 and served as musical director on Fantasia. He later served as co-musical director on such films as Bambi, Saludos Amigos, and The Three Caballeros, and worked on orchestration on such films as Song of the South, Peter Pan, The Living Desert, Lady and the Tramp, Davy Crockett, Secrets of Life, and Johnny Tremain.