Juke Box Jenny

Roger Wadsworth is a salesman for a company that supplies juke-boxes with classical music recordings, as Mrs. Horton, chief stockholder of the company hates swing music. Because of that, and the fact that Mrs. Horton is the mother of his fiancée, Genevieve Horton, Roger can only sit by and watch the competitors, who sell swing-and-jive music records get most of the business. Some of the other salesmen play a joke on Roger by getting Charlie Barnet and his orchestra (none playing "Self" in this f (imdb)