2. The turning point of identity change is Qin.
3. After the Spring and Autumn Period and the Warring States Period, Qin Shihuang unified the world and formed the unified Qin Dynasty in China. On the one hand, the ruling class should "preserve justice and destroy human desires" in order to maintain a high degree of social stability. On the other hand, the rulers themselves should indulge in debauchery and debauchery. However, music education with the aim of education and the content of elegant music obviously does not meet this requirement, and ethics has gradually replaced music education. As the ruling class, the basic purpose of etiquette is to "destroy people's desires" and "make people want to recover without chaos", which is fundamentally opposite to the essence of music "born in people's hearts". It can be seen that music education did not get great development in Qin Dynasty.