What is the name of the longest guzheng?

The name of ancient Yuefu Qin music. According to legend, it was written by Cai Yong woman Cai Yan (Yueshi) at the end of Han Dynasty. * * * Eighteen chapters, one chapter and one beat. It is also the name of guqin music.

Guo Songmao Qian's Eighteen Beats of Yuefu Poem Qin Ge Hu Jia: "The Preface to Hu Jia's Songs, which was still popular in the Tang Dynasty, said:' Cai Wenji's good piano can be the exercise of other cranes. Land Rover invaded the Central Plains, was plundered by the Hu people and became a queen, which was very important to the king. Emperor Wu had an old relationship with Yong and ordered the general to redeem it for Han. The conference semifinals yearn for the moon, but they roll reed leaves and moan. Later, Dong Sheng wrote Hu Jiasheng in eighteen beats on the piano, and so does Hu Jialong today. "Ji Qin" said: "18 big Hu Jia, 19 small Hu Jia, and Cai Yan's works. "According to Cai Yi's" Qin Qu ",Hu Guyou has eighteen beats, which were collected from the Liao Dynasty and became famous all over the world. Xiao Hu's family also has a beat of Qiyin, * * * 19, which is a wish for his family. Zhu Bei is unknown. " According to Yuefu Poetry, Cai Yan's original words, while Biography of Women in the Later Han Dynasty only records "mourning poems".