How many movies have Harry Kupfer and Wiener Staatsopernchor collaborated on?

They have worked on 1 movie together! Their first movie together was R. Strauss: Der Rosenkavalier (Salzburger Festspiele) (2014) and was their highest rated movie together. They have not worked together since R. Strauss: Der Rosenkavalier (Salzburger Festspiele) (2014).