Fang Xiang, also known as Fang Chen and Bronze Chime. It began in the Liang Dynasty (502-557) of the Northern and Southern Dynasties. "Old Tang Book Music Records": "There are copper chimes in the beams, which are covered with square sounds and the like. Square sounds. Use iron for them, repair eight inches, two inches wide, and round the top and bottom. The large board on the horizontal wood o...