Trombone is also known as Changming, Tongjiao, Zhaojun, Horse Blowing, Horn and so on. It is Yao, Zhuang, Miao, Yi, Hani, Buyi, Tujia, Uyghur, Han and other nationalities lip-vibrating and chirping musical instruments. Yao language called Dangling. It is called Dabala in Yi language. The Bouyei language is called Manglie. Uyghur is called Kanai. The Han people call it the tuba, long tip, trumpet, aces and so on. Trombones of different ethnic groups and regions have different specifications and lengths.

The Dangling of the Yao people and the trombone of the Zhuang and Miao people are popular in western Guangxi and southeastern Guizhou. The overall length of the tube body is 155 cm. The upper section is 30 cm long, the top mouth is 5 cm in diameter and 0.8 cm deep, and the lower copper round is 6 cm in diameter. The middle section is 61 cm long, the trumpet section is 64 cm long, and the bell mouth diameter is 22 cm. When playing, the upper and middle sections are pulled out, the left hand is straight to support the tube body, the right hand holds the upper section, the tube body is slightly inclined to the left, and the mouth sticks to the pot-shaped horn to blow air, which is mostly the fundamental and the first and second. The second overtone, the sound is deep and deep, and the volume is loud, which can be heard for several miles. Usually not played alone. In Guangxi and Guizhou, it is the bass instrument of the eight-tone (that is, the Eight Immortals) bands of various ethnic groups. The music played are all octaves.