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
Art belongs to the people Art belongs to the people Art belongs to the people. Anniversary Exhibition of Leningrad artists (Leningrad, 1977) (), dedicated to 60th Anniversary of Great October Revolution of 1917, became one of the most significant art event of 1977 in the USSR. The Exhibition took place in the new exhibition space - "The Central Exhibition Hall Maneze", which has become the largest exhibition area of the city. The Anniversary Exhibition was opened at November 5, 1977 under the motto ""Art belongs to the people"". Organization and preparation of Exhibition engaged specially formed Exhibition Committee under the chairmanship of Boris Ugarov, which