How many movies have Herbert von Karajan and Richard Strauss collaborated on?

They have worked on 6 movies together! Their first movie together was Karajan: Strauss: Death and Transfiguration & Metamorphosen (1984) while their highest rated movie together was Rostropovich Life & Art (2007). They have not worked together since Karajan: Richard Strauss: Tod und Verklarung / Metamorphosen (2008). They are most known for their music films together.