Catalina Interlude (1948)

Virginia Maxey runs away from her actress mother to find a career for herself. The mother hires a private detective to find her, which he does, auditioning for Jimmy Dorsey's orchestra. Plus, the girl and the detective fall in love. All of this in 18 minutes, plus six music numbers from the Jimmy Dorsey Orchestra, and still time for conflict between the mother and the detective before the ending.