Rhythm on the Reservation

Rhythm on the Reservation is a 1939 Fleischer Studios animated short film starring Betty Boop. The short was the final theatrical appearance of Betty until her 1988 cameo in Who Framed Roger Rabbit.

Synopsis
Betty Boop's Swing Band visits an Indian reservation. The Indians borrow all the musical instruments, but not knowing their real purpose, they find odd uses for them. Betty demonstrates the correct use of the kettle drum and teaches the braves the true meaning of 'rhythm.'