Gangdong, also known as Ganglin and Zhaling in Tibetan, and Dharma and Lama in Han, evolved from ancient horn-like musical instruments and is one of the instruments of Tibetan Buddhism. In Baoding, Xushui, Dingxian, Laishui and other places in Hebei Province, copper steel holes are also used, which are used in the performance of "Southern Music Club", and are locally called Lama...