The grito mexicano is a traditional shout in Mexican folk culture, closely associated with mariachi music that developed in western Mexico, especially Jalisco, in the 19th century. Singers use it between songs and during instrumental breaks to express joy, pride and encouragement, a practice also heard at Independence Day celebrations on 15 September. As mariachi spread internationally through recordings, films and live performance, the grito became its most recognisable vocal signature. Online it is now used as a standalone celebration sound for sports, parties and Mexican cultural moments.