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
El Mariachi a 73 out of 100 rating based on 9 critics, indicating "generally favorable reviews". "El Mariachi" won multiple international awards, and writer/producer/director Rodriguez went on to gain international fame; he was interviewed on such shows as "Sábado Gigante" and proceeded thereafter to secure Hollywood-backing for films such as "The Faculty" and "Sin City". In December 2011, "El Mariachi" was deemed "culturally, historically, or aesthetically significant" by the United States Library of Congress and selected for preservation in the National Film Registry. Citing it as the film that "helped usher in the independent movie boom of the early 1990s", the Registry