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
Country dance in Circular, Half Circular, Serpentine, Angular, Straight Lines, etc. etc. drawn out into different Lengths, adapted to the various Strains of Country Dance Music." . Again, the possible figures are limited only by the imagination of the choreographer. Examples of some of the figures are provided in the Glossary of country dance terms. The music most commonly associated with country dancing is folk/country/traditional/historical music, however modern bands are experimenting with countless other genres. While some dances may have originated on village greens, the vast majority were, and still are, written by Dancing Masters and choreographers. Each dance consists of a