Beginning with the early musical short features he created, such as his "Silly Symphonies," Walt Disney began a tradition of publishing printed music for all the songs his musical films made popular. His firm eventually formed its own publishing house and then even its own record company to continue this practice. Disney's sheet music was typically simple to learn and play, which made it more appealing to his generally young audiences.
One of Disney's most successful Silly Symphony animated shorts was "Three Little Pigs," based on the familiar fairy tale. The film's song "Who's Afraid of the Big Bad Wolf" struck a chord with audiences and later became a kind of anthem against German aggression during the beginning years of World War II. Disney himself, it is said, chose to continue his career in animated film production after the lasting success of "Three Little Pigs."