How many movies have Emin Khachaturyan and Sergei Martinson collaborated on?

They have worked on 4 movies together! Their first movie together was The Key (1961) while their highest rated movie together was The Adventures of Sherlock Holmes and Dr. Watson: The Hound of the Baskervilles (1981). They have not worked together since The Adventures of Sherlock Holmes and Dr. Watson: The Hound of the Baskervilles, Part 2 (1981). They are most known for their adventure films together.