How many movies have Jon Oliva and Robert Kinkel collaborated on?

They have worked on 3 movies together! Their first movie together was Trans-Siberian Orchestra: The Ghosts of Christmas Eve (1999) and was their highest rated movie together. They have not worked together since Trans-Siberian Orchestra & Savatage: Wacken Open Air 2015 (2015). They are most known for their fantasy films together.