Tongqin (pinyin: Tongqin), also known as "mang tube", "tongdong", "tongdong", "big copper horn" and so on. It is a Tibetan and Mongolian wind instrument and a very important bass instrument in the Lamaist band. It is popular in lama temples in Tibet, Inner Mongolia, Qinghai, Sichuan, Gansu and other places. It has a history of more than 1,100 years in Tibetan areas.
nickname：Mangtong, Tongdong, Tongdong, Big Tongjiao
incoming time：second half of the 16th century
Tongqin was used in the army in ancient times, and it was used in the court band of the Guge Kingdom in the Ali area of Tibet about 10 centuries ago.
There are two sizes of tongqin, the larger one is 260 cm to 350 cm in total length, and the smaller one is 130 cm to 220 cm in total length.
Tongqin is played by trained lamas. When playing, one end of the trumpet is placed on the ground or on a wooden frame, and the player holds the upper end of the instrument with both hands.
The barrel Qin is made of copper (very few silver), which is popular in Tibetan areas. The upper section is the thinnest and the lower section is the thickest. When not in use, the upper and middle tubes can be folded one by one and placed in the lower tube.
Tongqin is a more important musical instrument among the national musical instruments, so the owner of the musical instrument needs to take care of it carefully. Here are a few tips for maintaining and maintaining the barrel.