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
Calexico (band) Calexico (band) Calexico is a Tucson, Arizona-based Americana, Tex-Mex, indie rock band. The band's two main members, Joey Burns and John Convertino, first played together in Los Angeles as part of the group Giant Sand. They have recorded a number of albums on Quarterstick Records, while their 2005 EP "In the Reins" recorded with Iron & Wine has reached the Billboard 200 album charts. Their musical style is influenced by traditional Latin sounds of mariachi, conjunto, cumbia and tejano mixed with country, jazz and post-rock. The band is named for the border town of Calexico, California, and has been described