Ding Dong Williams, a clarinet player who can neither read nor write music is employed at a motion picture studio. The studio plans to use him and his six-piece band but his musical deficiencies are discovered and the plan scrapped. But the secretary of the head of the music department intercedes on his behalf and he is given a chance in the film.

• RKO Radio Pictures
• Glen Vernon
• Marcy McGuire
• Felix Bressart
• Anne Jeffreys
• James Warren
• William B. Davidson
• Tommy Noonan
• Cliff Nazarro