Dancers who dance yangko are composed of several parts. What is the theme and what do you think?

Dance depicts the life situation, joys and sorrows of all folk artists through the life of a yangko artist. The whole is divided into three parts. The first and second parts describe the loneliness and loneliness of the old artists, which is in sharp contrast with the excitement of the central part. The middle part is the central dance part, which describes the dreams and memories of the old artist, expresses his infatuation with yangko and brings us a strong emotional impact.