Guqin, also known as lyre, Qin Yu and lyre, is a traditional plucked instrument in China, with a history of more than 3,000 years, belonging to the silk in the eight tones. There are more than 150 kinds of music scores of guqin all over the world, and the only existing music score: the manuscript of Jieshi Fishing Friends Orchid in the early Tang Dynasty is now in the National Museum of Tokyo, Japan. The earliest subtraction notation: the ancient grievances in Jiang Kui's Song of the Taoist of Baishi. The most important piano books in Han Dynasty: Qin Qingying by Yang Xiong and Qin Jing by Zhuge Liang. The earliest extant collection of large-scale guqin music: The Magic Secret Music compiled by Zhu Quan in the early Ming Dynasty. Important music scores in Ming Dynasty: Magic Secret Music, Complete Works of Taiyin, Piano Series of Xilutang, Legacy of Taikoo, Xuan Xuan Pin, Complete Works of Qin Shu, and Songxian Pavilion Music. Important music scores in Qing Dynasty: Dahuangge Music Score, Songfengge Music Score, Deyintang Music Score, Chengyitang Music Score, Wuzhizhai Music Score, Chuncaotang Music Score, Ziyuantang Music Score, Introduction to Qin Xue, Jiaoan Music Score, Tianwen Music Score, and
The Republic of China and Modern Times: Meian Qinpu, Jinqi Qin Yu Magazine, Qinqu Integration, Guqin Music Collection, Guqin Music Collection.