In 1938, the team was hired by Metro-Goldwyn-Mayer to compose songs for The Wizard of Oz, the most famous of which is "Over the Rainbow", for which they won the Academy Award for Best Music, Original Song.
En 1938, o equipo foi contratado por Metro-Goldwyn-Mayer para compoñer as cancións para The Wizard of Oz, sendo a máis célebre delas "Over the Rainbow", pola que gañaron o Oscar á mellor canción orixinal.