Melodías porteñas (Buenos Aires Melodies) is a 1937 Argentine film, a musical directed and written by Luis Moglia Barth.It is based on a struggling radio station, and depicts the events leading up to and following the disappearance of the station's star tango singer, played by Amanda Ledesma.It may be seen as an exposé of the sensationalism of radio stations of the period.Enrique Santos Discépolo won praise for his performance as the increasingly desperate director of the station.