How many movies have Lorenzo da Ponte and Pierre-Augustin Caron de Beaumarchais collaborated on?

They have worked on 4 movies together! Their first movie together was The Marriage of Figaro (1975) while their highest rated movie together was Le Nozze di Figaro (1994). They have not worked together since The Metropolitan Opera: The Marriage of Figaro (2014). They are most known for their music films together.