How many movies have Vladimír Menšík and Václav Hybš collaborated on?

They have worked on 4 movies together! Their first movie together was Silvestr budiž pestr aneb Do půlnoci mnoho času nezbývá (1972) while their highest rated movie together was Let Him Face the Music! (1978). They have not worked together since Let Him Face the Music! (1978). They are most known for their music films together.