How many movies have Andrey Moskvin and Sergei Prokofiev collaborated on?

They have worked on 4 movies together! Their first movie together was Боевой киносборник 13: Наши девушки (1942) while their highest rated movie together was Ivan the Terrible, Part I (1944). They have not worked together since Ivan the Terrible, Part II: The Boyars' Plot (1958). They are most known for their drama films together.