How many movies have Matthew Diamond and Victoria Warivonchik collaborated on?

They have worked on 9 movies together! Their first movie together was Händel: Rodelinda (2011) while their highest rated movie together was The Metropolitan Opera: Un Ballo in Maschera (2012). They have not worked together since The Metropolitan Opera: The Elixir of Love (2018). They are most known for their music films together.