What are the main forms of Mandarin poems in Korean culture during the Li Dynasty?

The main form of Putonghua poetry is sometimes harmony songs. The modern tune is developed from Silla township songs and Korean ballads, which first appeared in the last years of Korea, and gradually formed a stereotyped poetic style in the Li Dynasty. Both Jin and Nanzhi's patriotic and harmonious love tunes have certain value, and Yinshan Road (1587- 167 1) is a famous song. He was not very successful in officialdom and was exiled for three times, so he often devoted himself to creation, comparing the filth of officialdom with the beauty of mountains and rivers. His representative works "New Songs in the Mountains", "Continued New Songs in the Mountains" and "Poems of Four Seasons by Fisherman" are all excellent landscape poems, full of emotion and exquisite brushwork, which vividly reproduce the changes of mountains and rivers in North Korea in four seasons. Songs are also developed from Silla township songs and Korean ballads and influenced by the times. Its form is relatively free, and its length can be determined according to the content. Zheng Che (1537 ——1594) is a representative figure in early ci poetry. Because of the fierce party struggle at that time, his career was bumpy and he was demoted many times. Punishment of dismissal from public office and exile. His representative works Farewell to Guandong, Simei Qu and Simei Qu sequel are characterized by exquisite scenery, bold lyricism, vivid language and beautiful form, and are known as "Li Sao" of North Korea.