Mariachi giving them modified shapes and tunings. In addition to instruments, the Spanish introduced the concept of musical groups—which, in the colonial period, generally consisted of two violins, a harp, and various guitars. This grouping gave rise to a number of folk musical styles in Mexico. One of these folk musical styles was the "son". This music featured string instruments. "Son" music divided into various regional varieties—the variety popular in the Jalisco area was called "son jalisciense", whose best known song, also referred to as "the mariachi national anthem," is “La Negra.” Modern mariachi music developed from this "son" style, with
Mariachi de Tecalitlán from his father in 1958 and soon after hired a trained musician, Rubín Fuentes, as musical director. Fuentes along with Vargas were instrumental in the standardization of much of mariachi music, arranging traditional songs and writing new ones that would be performed by many of the legendary performers of the mid-20th century, such as Pedro Infante, Miguel Aceves Mejía, Lola Beltrán and José Alfredo Jiménez. Mariachi Vargas still remains, tracing its history in terms of generations, starting in the 1890s, with these generations maintaining the group’s authenticity as a Mariachi while the music has evolved. The last Vargas