Forms of cultural expression, complex beliefs associated with the worship of Mother Goddesses of the Four Palaces. The main components include: Shaman, Thanh Dong, Palace of Literature, Thu incense, Hau Dung. In the past, offerings often included sticky rice, meat, fruits, betel nut, areca, wine, tobacco, and votive paper. Costumes are associated with the behavior of each character. The first is the worshiping ceremony to the Holy Buddha, the most important is the Hau Dong ritual, and the last is the thanksgiving ceremony. One question includes: Asking the Holy Spirit to enter (death), pronounce, bestow and send off. There are 36 copper prices, but mainly the Lords, Quan, Hoang, Adorable, Co, and Uncle will have bronze prices. The dances and props are rich, associated with the characteristics of the region and the characters. Cung Van plays the lute and drums. The songs are rich, changing according to the happenings and order of the saints of the bronze bar. There are different forms of literary singing, including worship singing, thi singing, ho singing, and Van singing at the temple and communal houses.