German animator Oskar Fischinger was hired to create an animation sequence in Technicolor. However, when Paramount changed the production to black-and-white, Fischinger's original abstract animation design was changed to a hybrid animation and live-action sequence showing consumer products emanating from a broadcasting tower, to the song "Radio Dynamics" by Ralph Rainger.[1]
Jack Carson produces a radio show. Mrs. Platt is the show's sponsor. Her company makes golf balls. Patsy is Carson's assistant, who turns out to be a rousing singer. There is a story line involving star-crossed lovers, naturally. The rest is various performances on various radio shows.