How many movies have Anna Maria Perego and Ennio Morricone collaborated on?

They have worked on 3 movies together! Their first movie together was Four Flies on Grey Velvet (1971) while their highest rated movie together was Bianco, rosso e Verdone (1981). They have not worked together since Bianco, rosso e Verdone (1981). They are most known for their comedy films together.