Mariachi tradicional with other ensembles of the region, like "conjunto calentano", "conjunto de arpa grande", "conjunto de jaraberos" and "conjunto de son de tarima" of the so-called Mexican son. Mariachi tradicional Traditional mariachi is a string ensemble from western México. Unlike the popular mariachi, this ensemble generally does not include trumpets. It consists of violins, guitarra de golpe, vihuelas, harp and guitarrón or double bass, and in some zones a bass drum is used. This mariachi developed from the beginning of 19th century and from this ensemble derived the mariachi with trumpets. Its repertoire generally covered "sones abajeños", "sones arribeños", "sones costeños"
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