How many movies have Laurence Warder and Richard Barbieri collaborated on?

They have worked on 1 movie together! Their first movie together was Porcupine Tree: Closure / Continuation. Live. Amsterdam 07/11/22 (2023) and was their highest rated movie together. They have not worked together since Porcupine Tree: Closure / Continuation. Live. Amsterdam 07/11/22 (2023).