Award-winning Hollywood sound designers and their directors discuss how these industry professionals made iconic movie moments possible in films such as "Star Wars," "Jurassic Park," "Inglourious Basterds," "Terminator 2: Judgment Day" and "Apocalypse Now." Includes interviews with George Lucas, Barbra Streisand, Robert Redford, Christopher Nolan, Sofia Coppola, David Lynch, Ryan Coogler and Ang Lee. Directed by Midge Costin.