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
South African National Defence Force Bands 5 military bands of the army as well as the NCG Band. Army Bandsman are required to wear the No 1 Dress Uniform, which is also worn by the National Ceremonial Guard (NCG). The South African Army Band Cape Town is based in Cape Town and is the oldest regular force band in the country. It originated in 1915 as the regimental band of the 1st Battalion, The Cape Corps, a famous fighting unit of World War 1. When the Cape Corps was disestablished in 1919, the band continued on a part-time basis. When the Cape Corps was re-activated at