Mariachi songs were longer than the standard three-and-a-half minutes of the then-standard 78 rpm record, forcing the shortening of tunes. Around the same time, the popularity of jazz and Cuban music introduced the trumpet into mariachi, pushing the violins into second place and in some cases, replacing the harp. The most prized of the mariachis remained those from the state of Jalisco, particularly the areas of Cocula and Tecalitlán. They represented Mexico to the people during the Independence Day celebrations in Mexico City in 1933 as well as during Lázaro Cárdenas' election campaign in 1936. The charro tradition was strong in
Mariachi El Bronx (2009 album) another band where they play mariachi music." In March 2009 The Bronx played the South By Southwest festival in Austin, Texas, followed by a tour of the United States ending in June. In an April 2009 interview, Caughthran spoke more about "Mariachi El Bronx": The record's been done for a while now, hopefully it's gonna come out in like early or mid summer. It's a really really important record; it's the best thing I've ever done. It's all original music, traditional mariachi stuff, and it's the punkest thing in the world for a band like The Bronx to put out