Jieshi Diao You Lan is the only piano music preserved by the original script, and it is the oldest guqin music in China. /kloc-At the end of 0/9th century, Mr. Yang Shoujing found this piano music while consulting Japanese ancient books.
Jieshitiao Youlan was originally a folk song named West Gansu, and later it was used to sing Cao Cao's poem Jieshitian, so it was renamed Jieshitiao, and later it was filled with a poem called Jieshitiao Youlan, which was recorded in Nanqi Book Music. The existing piano score is also divided into four sections, which are the same as the original four interpretations of Jieshidiao. Youlan is the first famous song in Chu Ci.