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 led to the development of the four basic types of Western musical instruments: brass, woodwinds, strings, and percussion.
| Visual Effects | Marc Davis | Animation |
| Writing | Dick Huemer | Story |
| Visual Effects | Xavier Atencio | Animation |
| Visual Effects | Eyvind Earle | Color Designer |
| Directing | Charles A. Nichols | Director |
| Visual Effects | Henry Tanous | Animation |
| Production | Walt Disney | Producer |
| Visual Effects | Julius Svendsen | Animation |
| Sound | Joseph Dubin | Original Music Composer |
| Writing | Tom Oreb | Characters |
| Art | Kendall O'Connor | Art Direction |
| Visual Effects | Ward Kimball | Animation |
| Directing | Ward Kimball | Director |
| Visual Effects | Art Stevens | Animation |
