Jazz Heaven

Jazz Heaven is a 1929 American romantic comedy directed by Melville Brown, and written by Myles Connolly and J. Walter Ruben, based on a story by Pauline Forney and Dudley Murphy. It was moderately successful for RKO Pictures, and was released in both sound and silent versions.

Ruth works for a music publisher, Kemple and Klucke, and plots to get them to publish Holmes song. Both of her bosses are interested in Ruth, although Kemple is quite a bit older than her. The two partners make a bet that the younger Klucke cannot take Ruth out to dinner. Ruth makes a deal with Kemple not to agree to the dinner, but changes her mind when Klucke agrees to listen to Holmes song if she accompanies him.Mrs. Langleys husband, Max, has a soft spot for the young couple, and attempts to sneak Holmes piano out of the rooming house. Unfortunately, in the attempt, the piano is dropped down a flight of stairs, and broken into pieces. Distraught, Ruth and Barry, dont know how they are going to finish the song in order to pitch it to Kemple and Klucke. To make up for the loss of the piano, Max sneaks them into a piano factory during the night, where they finalize the song. Unknown to them, the factory also has an open microphone to a radio station, and the song is actually broadcast over the air. ........

Source: Wikipedia