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 Daba of the Yi nationality is popular in Chuxiong, Dayao, Shidian in Yunnan and Xichang and Huili in Sichuan. In the Liangshan Yi Autonomous Prefecture Museum of Sichuan, there is a trombone of the Tusi family of Adu, with a total length of 171 cm, the upper section is 52.3 cm, the middle section is 60.5 cm, and the lower section is 59 cm. The mouthpiece has a diameter of 4.8 cm and an aperture of 3 cm.
The trombone is a must-have instrument for Yi festivals, weddings, funerals, and other occasions. In traditional festivals, dozens of trombones are played at the same time. The sound is earth-shattering and the scene is extraordinarily spectacular.