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) performing "Cell Mates" in mariachi style under the name "Mariachi El Bronx". The punk rock album was released first, on November 11, 2008. Titled "The Bronx", it was their third eponymous album. The band supported it with a world tour from September through December 2008 covering Canada, the United States, Europe, the United Kingdom, Australia, and New Zealand, playing with bands such as Bad Religion, Every Time I Die, and Stick to Your Guns. In a December 2008 interview, singer Matt Caughthran commented that "["Mariachi El Bronx"] was something that was a part of us that we didn't really realize.