Mariachi both countries, however, the learning of traditional pieces and repertory is still stressed to form a base. The International Mariachi Festival in Guadalajara is an annual ten-day event that attracts more than 500 mariachis, who perform in concert halls and city streets. Past players include Mariachi Vargas de Tecalitlán, Mariachi los Camperos (led by Nati Cano) and Mariachi América. In Mexico City, the center of mariachi music remains Garibaldi Plaza. The plaza fills with mariachi musicians to solicit gigs from individual songs for passers-by to being hired for events such as weddings and baptisms. They even stand on Eje Central
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