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
Mariachi song due to voice qualities. Mariachi vocalization shows influences from a number of styles such as bolero (a romantic style), huapango (using falsetto), son jalisciense (an aggressive style) and more. Voices must be strong to be heard over amplified instruments. Vocal style emphasizes operatic qualities and instrumental performance demonstrates a level of virtuosity that reflects advanced musical training. Historically, mariachi groups have been made up of men but there is growing acceptance of female mariachis. As mariachi groups are expected to play requests, they may need to know hundreds of different songs. Most songs are about machismo, love, betrayal, death,