Mariachi giving them modified shapes and tunings. In addition to instruments, the Spanish introduced the concept of musical groups—which, in the colonial period, generally consisted of two violins, a harp, and various guitars. This grouping gave rise to a number of folk musical styles in Mexico. One of these folk musical styles was the "son". This music featured string instruments. "Son" music divided into various regional varieties—the variety popular in the Jalisco area was called "son jalisciense", whose best known song, also referred to as "the mariachi national anthem," is “La Negra.” Modern mariachi music developed from this "son" style, with
Corps style band Often, musical elements from this variation of show band incorporate contemporary popular music and traditional rhythm and blues. Many of these bands maintain a twirling line, as well as a dancer line instead of a color guard. The other major derivation of show band can be observed in bands such as University of Texas, or Ohio State University. Although one could argue that both these bands have such rich and longstanding traditions which predate the formation of drum corps, they could be considered a style unto themselves. However, these bands serve more as the foundation of the show band style,