This document provides an overview of social dances and dance mixers, with a focus on the cha-cha-cha. It defines social dances as dances intended for entertainment and social interaction. Social dances are classified as Latin American dances or Modern Standard dances. The cha-cha-cha is described as a lively Cuban dance with African influences. Basic cha-cha-cha steps are explained, including the rock step, chasse, Alemana turn, New York, and spot turn. Dance etiquette tips are also outlined.