Guarda su CineBlog01. Agustina has been a shepherdess for as long as she can remember. Throughout her life she has had three great loves. Between dreams and memories she sings about everything that has and has not been. Agustina lives with Dionisio in a rural community called El Saltillo in Guanajuato, Mexico. Serranillas are medieval spanish compositions dealing with some kind of amatory adventure in rural landscapes.