Dances and balls Folk dance in an Assyrian party, Chicago, USA. Main article: Dance party A dance is a social gathering at which the guests dance. It may be a casual, informal affair or a structured event, such as a school dance or a charity ball. Dances usually take place during the evening. An afternoon dance is formally known as a tea dance. Some dances feature specific kinds of dancing, such as square dancing. A ball is a large formal party that features ballroom dancing. Women guests wear ball gowns; men wear evening dress.