 Disney animators set pictures to classical music as Leopold Stokowski conducts the Philadelphia Orchestra. "The Sorcerer s Apprentice" features Mickey Mouse as an aspiring magician who oversteps his limits. "The Rite of Spring" tells the story of evolution, from single-celled animals to the death of the dinosaurs. "Dance of the Hours" is a comic ballet performed by ostriches, hippos, elephants and alligators. "Night on Bald Mountain" and "Ave Maria" set the forces of darkness and light against each other as a devilish revel is interrupted by the coming of a new day.