After hours, individuals on various magazine covers in a drugstore come to life and sing, speak, or perform. Caricature celebrity depictions include George Arliss, Eddie Cantor, Sonja Henie, Benito Mussolini, Ignacy Paderewski, Edward G. Robinson, Will Rogers, and Ed Wynn. A robbery sequence features bad guys breaking into the cash register and Sherlock Holmes and Dr. Watson on the case. King Kong also makes an appearance. A Merrie Melody cartoon.
Unfortunately the movie I Like Mountain Music is not yet available on HBO Max.
| Directing | Rudolf Ising | Director |
| Production | Rudolf Ising | Producer |
| Production | Hugh Harman | Producer |
| Production | Leon Schlesinger | Producer |
| Visual Effects | Friz Freleng | Animation |
| Visual Effects | Larry Martin | Animation |
| Sound | Frank Marsales | Original Music Composer |
