"Wind" contains folk songs from fifteen places, including Shaanxi, Shanxi, Henan, Hebei, Shandong and other places, most of which are folk songs from the Yellow River valley. Most of the polished folk songs are called "The Wind of Fifteen Countries", 160, which is the core content of The Book of Songs. "Wind" refers to rural wind and wind ballads.
The fifteen national customs are: Nan Zhou 1 1, Zhao Nan 14, Bay 19, Yang 10, Feng Wei 10 and Feng Wang 10. Nan Zhou's Guan Ju and Yao Tao, Feng Wei's On Cutting and Explaining Sparseness, and Qin Feng's Jia Xu are all famous masterpieces. ?