Johann Sebastian Bach's Toccata and Fugue in D Minor opens the film with abstract, expressionistic images that coincide with the music. There is no real story here; it's probably the most dream-like segment of the entire film.
Tchaikovsky's Nutcracker Suite is given a new look in the movie; eschewing its traditional story for a ballet of nature as set to the tones of the Chinese Dance, Waltz of the Flowers, and Dance of the Sugar Plum Fairy among others.
The Sorcerer's Apprentice by Paul Dukas is by far the most recognizable and popular segment of the entire film. A showcase Mickey Mouse who plays the titular character that uses magic to bring a broomstick to life carry out his chores, with disastrous results.
Igor Stravinsky's The Rite of Spring is visualized as the gradual transformation of Earth from an uninhabitable world of roiling seas and volcanoes to the age of the dinosaurs. An impressive showcase for special animated effects as well as the realistic appearance of the dinosaurs.
The Pastoral Symphony (Ludwig van Beethoven's 6th) is set against the backdrop of Mount Olympus and Ancient Greek mythology is utilized to tell the story. Centaurs, unicorns, Pegasus, Zeus, and other gods and creatures appear in the most fanciful and elegant segment of the film.
Coming from Amilcare Ponchielli's opera "La Gioconda", The Dance of the Hours is a ballet that progresses from day to night with ostriches, hippos, elephants, and alligators performing the act. The result is one of the best segments of the film.
The finale is the combination of Modeste Mussorgsky's Night on Bald Mountain and Franz Schubert's Ave Maria into one major segment showcasing the clash between good and evil. The talents of animator Vladimir (Bill) Tytla and famed illustrator Kay Nielsen take center stage.
Fantasia was, and still is, unlike any film ever made when it was first released, for the film was the first to utilize a stereophonic soundtrack to replicate to concert hall experience in theaters. Though time has dated it, Fantasia remains a captivating work where seeing it just once is not enough.