Disney animators set pictures to Western classical music as Leopold Stokowski conducts the Philadelphia Orchestra. The Sorcerer’s Apprentice features Mickey Mouse as an aspiring magician who oversteps his limits. Easily Walt Disney’s Masterpiece. Released in 1940, represented Disney’s boldest experiment to date. Bringing to life his vision of blending animated imagery with classical music. What had begun as a vehicle to enhance Mickey Mouse’s career blossomed into a full-blown feature that remains unique in the history of animation. Did You Know: Fantasia was the first movie to be screened in stereo. Disney sound engineers created an elaborate sound system called Fantasound or the film, recording the orchestra on a then-unprecedented nine-track polyphonic master, then mixed down to three tracks. To play the soundtrack, theaters had to be equipped with a Fantasound system that included 90 speakers placed throughout the auditorium.