What is the nature of the Yan'an Yangge Movement and its historical role and significance?

What is the nature of the Yan'an rice-planting song movement and its historical role and significance are introduced as follows:

The new rice-planting song movement is the initial achievement of the spirit of the Speech in literature and art after the Yan'an Literary and Artistic Symposium. Literary and artistic workers changed the attitude of belittling the folk art of rice-planting songs, together with the masses, guided the transformation of the old rice-planting songs, making it reflect the class struggle, the production struggle of the new content, melting theater, music, dance in a furnace of small square song and dance drama.

The Spring Festival of 1943 saw a great deal of activity in the rice-planting songs, and a number of popular rice-planting operas emerged, such as "Brother's Foolish Letter Sister's Opening of the Wilderness" by the "Lu Yi". The new rice-planting song movement demonstrated the practice of literary and art workers to face the masses and popularize the work of the workers, peasants and soldiers.

The new rice-planting song movement is an important part of Yan'an literature and an important chapter in the history of folk literature. It borrowed the Shaanbei rice-planting songs in form, but reconstructed a new "folk world", the core of which is to transform the folk position into a literary expression of authoritative discourse.

The significance of the new rice-planting song movement:

1. It was the product of the "Literary and Artistic Rectification" movement in the border area and the implementation of the spirit of Mao Zedong's "Speech at the Yan'an Literary and Artistic Symposium", which provided a concrete way for the border area's literary and art workers to combine with the masses and to better use literature and art as a weapon for the struggle at that time. It provided a concrete way to serve the struggle of the time and accumulated experience.

2. It laid a solid foundation for the creation of new national art forms by utilizing old folk art forms, and for the mature development of new opera creation later.

3. It trained a new literary team for the vigorous development of revolutionary literature and art in the base area, and thus had a far-reaching influence on the development of the nationalization of various other forms of literature and art.