Fantasia is a 1940 American animated film produced by Walt Disney and released by Walt Disney Productions. The third feature in the Walt Disney Animated Classics series, the film consists of eight animated segments set to pieces of classical music conducted by Leopold Stokowski, seven of which are performed by the Philadelphia Orchestra. Music critic and composer Deems Taylor introduces each segment in live-action interstitial scenes. Based on Goethe's 1797 poem Der Zauberlehrling. Mickey Mouse, an apprentice of sorcerer Yen Sid, attempts some of his master's magic tricks before knowing how to control them.