Mariachi rural settings, notably in charro outfits. This use of the charro outfit was repeated with urban mariachi in the 1920s. The Charro outfit was also used in the national "Orquestra Típica Mexicana" ("Mexican Typical Orchestra"), organized in 1884 by Carlo Curti, and touring the United States and Mexico as part of a presentation of nationalism for the Mexican president Porfirio Diaz. Curti's "Orquestra Típica Mexicana" has been called the "predecessor of the Mariachi." After the Mexican Revolution, many haciendas had to let workers go, including mariachis. Groups began to wander and play for a fee, which obliged them to incorporate
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,