How many movies have Bruce Hornsby and Trey Anastasio acted in together?

They have worked on 3 movies together! Their first movie together was Grateful Dead: 2015.06.27 - Santa Clara, CA (2015) while their highest rated movie together was Grateful Dead: Fare Thee Well - 50 Years of Grateful Dead (Chicago) (2015). They have not worked together since Grateful Dead: Fare Thee Well - 50 Years of Grateful Dead (Chicago) (2015). They are most known for their music films together.