The film's narrator is Edward Everett Horton, an old-time actor probably best known nowadays as the narrator of the "Fractured Fairy Tales" on The Bullwinkle Show
The son of the director of this film had some things to say about this:
Ren & Stimpy
Originally Posted by panther3k
That music sounded like it was from a Ren & Stimpy episode.
mostly used old production music, so some of the cues might actually have been used in this film.