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) plans to record both a mariachi album and a punk rock album in short succession, hoping to release the former before the end of that summer. However, they did not enter the recording studio until March 2008, by which time they planned to release the mariachi album before the end of the summer. "Mariachi El Bronx" was recorded in March 2008 at Brandos Paradise in San Gabriel, California with producer and engineer John Avila, who also played charango, sang backing vocals, and mixed the album with the band. In June 2008 the band posted a video to YouTube of themselves