Mariachi Mariachi Mariachi (; ) is a style of music and musical group performance that dates back to at least the 18th century, evolving over time in the countryside of various regions of western Mexico. It has a distinctive instrumentation, musical genre, performance and singing styles, and clothing. From the 19th to 20th century, migrations from rural areas into Guadalajara, along with the Mexican government's cultural promotion gradually re-labeled it as "Son" style, with its alternative name of “mariachi” becoming used for the “urban” form. Modifications of the music include influences from other music such as polkas and waltzes, the addition
Mariachi schools. In areas with large Mexican-American populations, mariachis are being hired for events outside this ethnic group as well. Outside of schools, the most important venue for the music in the United States is mariachi festivals with the longest running festivals in Tucson and Fresno. The Tucson International Mariachi Conference began in 1982. It originally was held in the downtown but in 2012 moved to the Casino Del Sol. It showcases over 500 elementary, middle, and high schools and college mariachi players. The Las Vegas International Mariachi Festival, established in 1991, is televised on Telemundo and PBS and has headlined