How many movies have John Adams and Γκουστάβο Ντουνταμέλ collaborated on?

They have worked on 2 movies together! Their first movie together was Gustavo Dudamel and the Los Angeles Philharmonic: The Inaugural Concert (2009) while their highest rated movie together was John Adams: Nixon in China (2023). They have not worked together since John Adams: Nixon in China (2023).