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) the album's release, calling it "a whole different outlet – we can go tour with bands The Bronx couldn't go on tour with." The first Mariachi El Bronx song to see release was a cover of Prince's "I Would Die 4 U", released on the tribute album "Purplish Rain" in June 2009. The following month the band announced that "Mariachi El Bronx" would be released on September 1 through Swami Records, who had released the vinyl version of their second album, 2006's "The Bronx". In July "Spin" exclusively debuted the song "Quinceniera" as streaming media on their website. The website