What are the characteristics of dance music?

Dance music is instrumental or acoustic music written according to the dance rhythm. Because of different times, different national characteristics, different functions and different uses, there are many kinds. Generally speaking, dance music has a unique rhythm. Many dance music (especially folk dance music) also needs some special instruments or singing methods to play and sing. In dance music, a typical rhythm pattern runs through. This typical rhythm pattern is the most important symbol to distinguish various dance music.