The 5,000 Fingers of Dr. T

The 5,000 Fingers of Dr. T. (1953) is a musical fantasy film, the only feature film written by Theodor Seuss Geisel (Dr. Seuss), who was responsible for the story, screenplay and lyrics. It was directed by Roy Rowland, with many takes directed, uncredited, by producer Stanley Kramer.
Plot
Young Bart Collins (Tommy Rettig) lives with his widowed mother Heloise (Mary Healy). The blight of Bart's existence are the hated piano lessons he endures under the tutelage of the autocratic Dr. Terwilliker (Hans Conried). Bart feels that his mother has fallen under Terwilliker's influence, and gripes to plumber August Zabladowski (Peter Lind Hayes), without result. While hammering at his lessons, Bart dozes off and enters a musical dream, much as did Judy Garland in The Wizard of Oz.
In the dream, Bart is trapped at the surreal Terwilliker Institute, where the piano teacher is a madman dictator who has imprisoned non-piano-playing musicians. He...