An RKO "Streamliner" short featuring the south-of-the-border rhythms of the Luis (Luiz) Arcaraz orchestra. It opens with "La Virgen de la Macarena" featuring the brass section; Dolores Brown dances and Raul Martinez sings while the band plays "Be Careful" and ends with the band doing "Arcaraz Mamba."—Les Adams <longhorn1939@suddenlink.net>
In this RKO Streamliner "Mexico's Jazz King," Luis Arcaraz play as Carlos Valdez dances to "La Virgen de la Macarena". Raúl Martínez supplies the vocals to "Be Careful" while Dolores Brown dances and Norton and Stanley mambo to "Alcaraz Mambo".