The Book of Songs ***305. It can be divided into three categories: wind, elegance and praise. Wind is a folk song. Ya, the accent of Kyoto in the Western Zhou Dynasty, is divided into Ya and Xiaoya, which are mostly written by officials or literati. Ode is a musical song or dance music used by princes in ancestral temples. It is divided into Zhou Song, Truffle and Shangsong, collectively known as Song San.