Gayageum, also known as Korean zheng, is a plucked stringed musical instrument of the Korean nation. It is called 가야금 in Korean. Popular in the Korean Peninsula and Yanbian Korean Autonomous Prefecture in Jilin Province, China. According to "Records of the History of the Three Kingdoms": "King Gaya made a twelve-stringed qin. It resembles the rhythm of the December moon. It was ord...