How many movies have Christoph Genz and John Eliot Gardiner collaborated on?

They have worked on 1 movie together! Their first movie together was J. S. Bach: Weihnachtsoratorium Sir John Eliot Gardiner (2014) and was their highest rated movie together. They have not worked together since J. S. Bach: Weihnachtsoratorium Sir John Eliot Gardiner (2014).