How many movies have Joni Mitchell and Matt Friedman collaborated on?

They have worked on 1 movie together! Their first movie together was Joni Mitchell - Both Sides Now - Live at the Isle of Wight Festival 1970 (2018) and was their highest rated movie together. They have not worked together since Joni Mitchell - Both Sides Now - Live at the Isle of Wight Festival 1970 (2018).