Mariachi is a Mexican musical ensemble often hired for quinceañera receptions.
A mariachi group typically uses violins, trumpets, guitars, vihuela and guitarrón. Its repertoire can include rancheras, boleros, sones and specially requested songs, making it suitable for entrances, dedications and family dancing.
Mariachi is strongly associated with Mexican identity, but quinceañeras across the United States and other countries may also feature it. The group can perform live during dinner or appear for a shorter surprise set.
Hiring mariachi is not required for a quinceañera. Families may instead use a DJ, recorded music, a regional ensemble or a band. Mariachi names the ensemble and tradition, not one specific song or number of musicians.