Go inside Skywalker Ranch and learn the secrets from director Rian Johnson and the Oscar-nominated sound department of "Star Wars: The Last Jedi." The new ABC News Feature, "The Force of Sound" releases February 20th at abcnews.com/features. SUBSCRIBE to ABC NEWS: https://www.youtube.com/ABCNews/ Watch More on http://abcnews.go.com/ LIKE ABC News on FACEBOOK https://www.facebook.com/abcnews FOLLOW ABC News on TWITTER: https://twitter.com/abc GOOD MORNING AMERICA'S HOMEPAGE: https://gma.yahoo.com/