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
Corps style band by American high schools to utilize the corps style of marching rather than the military style. This is most likely due to the fact that the corps style allowed for a much broader selection of musical styles, tempos, and moods, versus the limitations of the traditional military march. Another important factor is that the Corps Style bands face the audience, versus the military bands primarily facing the end zones, therefore, the corps style band has a much fuller sound, and is generally louder. The 80's also saw the movement away from strict 8 to 5 step size to the usage