Don DaGradi started his animated features career with what 1955 romantic musical comedy-drama?
Don DaGradi:  He eventually moved into animated features with the film "Lady and the Tramp" in 1955. Lady and the Tramp: Lady and the Tramp is a 1955 American animated romantic musical comedy-drama film produced by Walt Disney and released to theaters on June 22, 1955 by Buena Vista Distribution.
Lady and the Tramp