How many movies have Gaetano Donizetti and Peter Gelb collaborated on?

They have worked on 7 movies together! Their first movie together was An Evening with Joan Sutherland and Luciano Pavarotti (1988) while their highest rated movie together was L'Elisir d'Amore (1991). They have not worked together since The Metropolitan Opera: La Fille du Régiment (2019). They are most known for their music films together.