How many movies have Maria Zifchak and Peter Gelb collaborated on?

They have worked on 8 movies together! Their first movie together was Massenet: Thaïs (2008) while their highest rated movie together was The Metropolitan Opera - Puccini: Madama Butterfly (2016). They have not worked together since The Metropolitan Opera: La Traviata (2018). They are most known for their music films together.