Explanation and Criticism of "Qincao" by Cai Yong

Qincao was created for the description of various public and private bibliographies in Tang and Song dynasties.It totally contains three kinds,but most of them were missed in Song and Yuan dynasties.Signed with the name of Kong Yan,the Qincao which was collected by Wang Mo of Qing dynasty was written by Cai Yong,and Cai Yong was a writer in the East Han dynasty.The modern edition provides an explanation of the 44 ballads of keyboard music(Yuefu is a government office in the Han Dynasty for collecting folk songs and ballads),and the explanation exceptionally grasped the academic elements of criticism of explanation.And more important is that Qincao,which was compiled in the last years of the Eastern Han Dynasty,has become a concrete reflection of Cai Yong's understanding of pre-Yuefu poems.Furthermore,it has made significant and direct impact on the later works,such as Shi Zhi-jiang's Ancient and Modern Yuefu and Guo Maoqian's Collected Poems of Yuefu,etc.