How many movies have Maaya Sakamoto and Yoko Kanno collaborated on?

They have worked on 4 movies together! Their first movie together was Escaflowne: The Movie (2000) while their highest rated movie together was Maaya Sakamoto 15th Anniversary Live "Gift" at Nippon Budokan (2010). They have not worked together since Maaya Sakamoto 15th Anniversary Live "Gift" at Nippon Budokan (2010). They are most known for their animation films together.