How many movies have Kwangchul Youn and Salvadore Cammarano collaborated on?

They have worked on 3 movies together! Their first movie together was The Metropolitan Opera: Lucia di Lammermoor (2011) while their highest rated movie together was Lucia di Lammermoor (2016). They have not worked together since Lucia di Lammermoor (2016). They are most known for their music films together.