The dragon head sanxian is a plucked stringed musical instrument of the Bai people. Because the qin jewelry is named after the dragon head, it is called Xiongzijia in Bai language. There is such a legend in the Bai people. Legend has it that a long time ago, there lived an old man on the Erhai Sea. He had three sons, Dalang was greedy for money, Erlang was lazy, and Saburo loved to p...