Mariachi in front of the plaza to flag down passing cars. In 2010, the government renovated the plaza to make it more tourist-friendly, adding new paving, gardens, police, security cameras, painted facades, and a museum dedicated to mariachi and tequila. Although mariachis can be hired in Mexico City over the phone or on the internet, many people still prefer to come to the plaza, hear the musicians and haggle over the price. About 2,500 mariachis hold union cards to work in the plaza, but as many as 4,000 may circulate through on a busy weekend. The size of a Mariachi group
Mariachi was held in 1979. Since then, a strong synergy between academic programs and mariachi festivals has developed, which feature students and give mariachi classes and workshops. Once school programs were limited to border areas such as San Antonio and Tucson but they have spread across the southwest and into other parts of the country, especially since the 1990s. There are at least 500 schools offering classes along with local and state competitions. In some US schools, mariachi ensembles have replaced school bands. Professional groups such as Mariachi Cobre, which regularly performs at Disney World, also spend time teaching in public