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
The Bronx (band) and "Shitty Future". Ken Horne of The Dragons played some guitar parts on the album, and soon joined the band as second guitarist. In April 2007, the band announced that they would record two new albums. "The Bronx" was planned as a punk rock album, while "Mariachi El Bronx" would be a mariachi album. They entered a recording studio in March 2008 to begin work on both albums, with Brad Magers (formerly of Christiansen and Your Highness Electric) replacing Tweedy on bass guitar, and Vincent Hidalgo (formerly of The Drips) also joining Mariachi El Bronx. That June they posted the