Mariachi The common perception of the music and look of mariachi developed in the 20th century, as the music was transformed from a regional rural folk music to an urban phenomenon that came to represent Mexico. The music was first introduced to Mexico City in 1905. During this time, many farm workers moved to the city, including those from Jalisco, which settled around Plaza Garibaldi. These mariachi musicians developed new practices, such as performances in plazas and restaurants. However, it also continued its more traditional venues such as serenades, and performances at major family events. During this time, the Mexican government
WARC bands codified in official recommendations, such as the IARU Region 1 HF Manager's Handbook, which states: Contest activity shall not take place on the 10, 18 and 24 MHz bands. Non-contesting radio amateurs are recommended to use the contest-free HF bands (30, 17 and 12m) during the largest international contests. (DV05_C4_Rev_07) Canada is part of region 2 and as such is subject to the IARU band plan. Radio Amateurs of Canada offers the bandplan below as a recommendation for use by radio amateurs in that country but it does not have the force of law and should only be considered a