Emperor Li Yu's surrender 李后主-去国归降 Li Hou Zhu-Qu Guo Gui Xiang. Typed and handwritten Cantonese opera Sheet Music, stamped by the 曲艺苑 Performance and Art Center. It is the Song dynasty, Emperor Taizu of the Song Dynasty once travelled to the south in search of literary inspiration. Although the country is prosperous, General Cao Shan is given the mission to invade Jinling. Legend had it that Cao Shan refused to kill the leader, and he and his son were thrown into prison.