Swing Hostess

Swing Hostess is a 1944 American musical comedy film directed by Sam Newfield for Producers Releasing Corporation and starring Martha Tilton, Iris Adrian, Charles Collins, Betty Brodel, Cliff Nazarro and Harry Holman.

Living at a theatrical boarding house with a variety of eccentric entertainers, Judys best friend Marge Irish Adrian is determined to find Judy a job to pay her bills that has something, anything, to do with music. A chance encounter with a RockOla 3701 Master telephone juke box. gets Judy employment at the company where the duties involve taking telephone calls from patrons of a bar selecting music to hear over loud speakers.

Source: Wikipedia