How many movies have Hanns Nocker and Walter Felsenstein collaborated on?

They have worked on 3 movies together! Their first movie together was Verdi: Othello (Komische Oper Berlin) (1969) while their highest rated movie together was Offenbach: The Tales of Hoffmann (Komische Oper Berlin) (1970). They have not worked together since Offenbach: Bluebeard (Komische Oper Berlin) (1973). They are most known for their music films together.