Music is the ceremonial music sung and recited by the priests of the Yi people (Bimo) in important ceremonies and places such as rituals, funerals, etc. The content covers politics, economy, law, literature, art, philosophy, history, marriage, production and life of the Yi area. In the form of rap, Bi Mo tells historical stories, shapes artistic images, expresses emotions, expresses the aspirations and wishes of the general public, reflects the social life of the Yi people, and reflects the philosophical thinking and cosmology of the Yi people, thus making the Bi Mo culture reside in the position of “core culture” of the Yi culture.