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 rajes!" and "¡Así se quiere en Jalisco!" The main characters used his ability to sing mariachi as a way to show strength, virility, and aesthetic beauty. Its use in film also made the music popular and a symbol of ethnic pride for Mexican Americans in the United States. Its use in film also promoted a negative perception of mariachi music. The films associated the charros and mariachi music with machismo, womanizing and drinking, especially of tequila. The reason that the movies did this was that mariachi music was associated with bars and the lower classes in a number of segments