Fingering, etude. Guzheng, also known as Han Zheng and Qin Zheng, is an ancient national musical instrument of the Han nationality, which is popular all over China. It is often used for solo, ensemble, instrumental ensemble and accompaniment of song and dance, opera and folk art. Under normal circumstances, the guzheng course in summer vacation is a combination of fingering and etudes, and primary school students are no exception.