Professor Owl gives a lecture on the evolution of Western musical instruments, starting with the advent of rudimentary brass, woodwind, string and percussion instruments by ancient cave dwellers at the dawn of history.
Bill Thompson
as Professor Owl / Bertie Birdbrain
Loulie Jean Norman
as Penelope Pinfeather
Gloria Wood
as Susy Sparrow
Thurl Ravenscroft
as The Mellomen