How many movies have Florence von Gerkan and Jürgen Flimm collaborated on?

They have worked on 4 movies together! Their first movie together was Beethoven: Fidelio (2000) and was their highest rated movie together. They have not worked together since Il trionfo del Tempo e del Disinganno (Staatsoper Berlin 2016) (2016). They are most known for their music films together.