Mariachi was heavily involved in cultural promotion as a way to create a unified Mexican identity after the end of the Mexican Revolution. One of these efforts was the promotion of mariachi as an international symbol of Mexican identity, first with radio and sound recordings and later with films. Mexico built a nationwide radio broadcasting network in the 1920s such as XEB and XEW, which began broadcasting mariachi music as a media production, rather than as a music for social events. This music was already being modified in part due to the advent of sound recording. For example, most son jaliscense
Sones de Mariachi Sones de Mariachi Sones de Mariachi is a piece for large orchestra composed by Mexican composer Blas Galindo and published in 1941. This piece is a rewrite of his earlier work "Mariachi Sones" for small orchestra, from 1940, elaborated on the occasion of the exhibition "20 Centuries of Mexican Art" which was held at the Museum of Modern Art in New York, for the Mexican music program that addressed the conductor and composer Carlos Chávez. The work, whose title evokes the juicy melodies that are played by folk instrumental ensembles called mariachi, is based on three pieces: "Son de la