Mariachi other music into their repertoires, including waltzes and polkas. It also required them to play in public venues. From the late 19th century to the 1930s, Mariachi groups were semi-professional. In the early 20th century, U.S., record companies began actively recording rural music in other parts of the world. One of these as a recording called Cuarteto Coculense by Columbia, Edison and Victor in 1908 and 1909, recognized as the “first” mariachi recordings. The music also gained attention in Mexico City when a wealthy hacienda family brought an early Mariachi from Cocula to play for President Porfirio Díaz in 1905.
Mariachi varies depending on the availability of musicians. The usual mariachi group today consists of as many as eight violins, two trumpets and at least one guitar. Traditional mariachi guitars include the vihuela, a high-pitched, round-backed guitar that provides rhythm, and a bass guitar called a guitarrón, which also provides rhythm. Sometimes a Mexican folk harp provides bass and ornaments the melody. All are Mexican variations of European instruments. There is generally no lead singer as in other kinds of group with all players singing choruses and taking turns singing the lead. Often the lead singer is assigned to a certain