Mariachi politics, revolutionary heroes and even animals and country life from the genre origins as rural "son" music. One particularly famous song is “La Cucaracha” (The Cockroach). Most mariachi groups are associated with family and religious celebrations along with serenades. One of the most common pieces played by Mariachis is “Las Mañanitas” for birthdays and celebrations of patron saints. In Mexico, mariachi music can also be found as part of Catholic Mass. The Misa panamericana is a mariachi folk mass sung in Spanish with new arrangements of classic hymns such as "Kyrie Eleison". This innovation began in 1966 by Canadian priest
El Mariachi were simply condoms filled with fake blood and fixed over weightlifting belts. Rodriguez also noted the use of improvisation. The tortoise that crawls in front of the Mariachi was not planned, but was kept in as a good idea. Similarly, there is a scene in which the Mariachi buys a coconut, but Rodriguez forgot to show him paying for the fruit; instead of driving back to the place to shoot additional scenes, Rodriguez decided to build in a voice-over in which the Mariachi asserts that the coconuts were for free. Improvisation was also useful to cover up continuity mistakes: at