How many movies have Aarre Koivisto and Eino Ritari collaborated on?

They have worked on 3 movies together! Their first movie together was Vain laulajapoikia (1951) while their highest rated movie together was Rovaniemen markkinoilla (1951). They have not worked together since Mä oksalla ylimmällä (1954). They are most known for their music films together.