 Then it shows a demonstration of how music was synchronized into cartoons in the early days of the cinema.Then it begins to focus more on Walt Disney's contributions to animation, in sound ("Steamboat Willie"), in music being the main element (the Silly Symphonies series and "Fantasia") and in animated feature films ("Snow White and the Seven Dwarfs", and "Pinocchio)".The "Nutcracker Suite" segment from "Fantasia" is presented virtually complete.