A mysterious thief has stolen the prosperous Happy Valley's most prized possession: the musical Singing Harp. Can Mickey, Donald, and Goofy find the answer in the irritable Willie the Giant's magnificent castle up in the blue sky?

In this short subject (which mostly represents a departure from Disney's traditional approach to animation), a stuffy owl teacher lectures his feathered flock on the origins of Western musical instruments. Starting with cavepeople, whose crude implements could only "toot, whistle, plunk and boom," the owl explains how these beginnings ...

A marching band of Germans, Italians, and Japanese march through the streets of swastika-motif Nutziland, serenading "Der Fuehrer's Face." Donald Duck, not living in the region by choice, struggles to make do with disgusting Nazi food rations and then with his day of toil at a Nazi artillery factory. After a nervous breakdown, Donald a...

Little Elmer Elephant has a crush on Tillie Tiger and his affection is reciprocated. Trouble is, the pint-sized pachyderm is beset by bullies who ridicule his trunk and make his life miserable. Then a conflagration breaks out at Tillie's tree house.

Pluto is in the infantry guarding a pillbox from saboteurs.