Six of them are Sheng poems, that is, they have only titles but no contents, and they are collectively called six Sheng poems (Nan Chang, Bai Hua, Hua Mi, You Kang, Wu Chong and You Yi), which reflect the social outlook of about 500 years from the beginning of the Zhou Dynasty to the weekend.
The Book of Songs is divided into three parts: style, elegance and ode. "Wind" is a ballad of Zhou Dynasty. Elegant music is the official music of Zhou people, which is divided into harmony and elegance. Ode is a musical song used for sacrificial rites in Zhou and noble ancestral temples, which is divided into ode to, and ode to Shang.
The Book of Songs is rich in content, reflecting labor and love, war and corvee, oppression and resistance, customs and marriage, ancestor worship and feasting, and even astronomical phenomena, landforms, animals and plants. It is a mirror of the social life of the Zhou Dynasty.
Extended data
The compilation of The Book of Songs in the Spring and Autumn Period was mainly for application:
First, as a teaching material for learning music and reciting poems; Secondly, as a ritual song for feasting and offering sacrifices; Thirdly, it can be used as a tool to express one's feelings in diplomatic occasions or speech responses.
On the other hand, the social function of The Book of Songs is that the society (including scholar-officials and court rulers) uses it to publicize and practice self-cultivation in governing the country. This is one of the purposes of compiling the Book of Songs, and it is also the content that some scholars strongly advocated and promoted when the Book of Songs came into being.
References:
Baidu Encyclopedia-The Book of Songs