Introduction to Ningxi Hall: Ningxi Hall is the main hall of the Divine Music Department. It was originally a palace for practicing rituals and music in the Ming and Qing dynasties. It is an ancient building with a single eaves on the top of the mountain, sitting west to east, with six couplets and five bays, east and west. There is a hall door facing the hall, with an area of ​​600 square meters. Now it has been opened as the "Zhonghe Shao Music" exhibition area, which holds ancient sacrificial music and dance performances. It is also the main exhibition hall for Zhonghe Shao music instruments, bells and chimes.