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
Alternative country The Carter Family, often cited as major influences. Another major influence was country rock, the result of fusing country music with a rock & roll sound. The artist most commonly thought to have originated country rock is Gram Parsons (who referred to his sound as "Cosmic American Music"), although Michael Nesmith, Steve Earle and Gene Clark are frequently identified as important innovators. The third factor was punk rock, which supplied an energy and DIY attitude. Attempts to combine punk and country had been pioneered by Nashville's Jason and the Scorchers, and in the 1980s Southern Californian cowpunk scene with bands