What is a square dance interlude

The melody played by the accompaniment. In songs, operas, and dance music, this melody played by the accompanying instruments in the intervals between songs and performances (dances) is called interlude. Square dance is the most huge system in the art of dance, because more than in the square gathered and named, the integration of self-entertainment and performance as one, to the collective dance as the main form of performance, to entertain the body and mind as the main purpose.