“This is a side of elephants we rarely see.” Disneynature’s Elephant, an Original Movie narrated by Meghan, The Duchess of Sussex, is now streaming on Disney . | Walt Disney Studios

Fantasia premiered on November 13, 1940. After experimenting with music and animation for over a decade, Walt’s most ambitious film brought the two together, using every special effects technique the studio had developed over the years to create a truly stunning work of art. Originally released as a roadshow that required theaters to install Fantasound, an early form of surround sound, the film was shortened when it received its nationwide release. What’s your favorite piece from the film? | Dis