Basic definition: commonly known as horn. Reed instruments have many shapes, and the smallest one is called Heidi. Wooden, copper bell mouth, usually with eight sound holes. Pronunciation is loud and expressive. It is the main instrument in folk percussion.

Detailed explanation: Persian transliteration. Or translated as "Surnai", "Zuna", "Suona" and "Suona". Reed instruments were introduced to China from Persia and Arabia in the Jin and Yuan Dynasties. Le 23: "Its musical instruments include drum, small drum, brass horn, hinge, suona and trumpet." Act III of Cao Yu's Peking Man: "Suddenly there was a very lively sound of gongs and drums outside, which drowned out the wind."

Suona:

Suona (English: suona horn, Italian: Suona), also known as trumpet and advocacy, is a traditional double-reed woodwind instrument in China, but it was not born in China. As early as the 3rd century AD, with the opening of the Silk Road, suona was introduced to China from Eastern Europe and West Asia. It is a member of the oboe family in the world. After thousands of years of development, suona has its unique temperament and timbre, and has become a representative national wind instrument in China.

The sound of suona is magnificent, and the tube body is mostly made of rosewood and sandalwood, which is conical. The top is equipped with double reeds made of reeds, which are connected with the wooden pipe body through a copper core or a silver core, and the lower end is sleeved with a copper bowl. There are also semitone keys and treble keys to add keys to the suona, which expands the range and increases the expressive force of the instrument. In Taiwan Province Province, China, it is called advocacy; In the south, it is one of the eight-tone musical instruments. In Henan and Shandong, it is called trumpet. Traditional suona has classic tracks such as "A Hundred Birds Facing the Phoenix" and "Twenty-eight Plates in Western Henan".

Suona is a pure musical instrument. High-pitched suona has strong penetrating power and appeal, and has been used for accompaniment of folk drum classes and local folk arts and operas. After continuous improvement, it developed into traditional suona and keyboard suona, which enriched the playing skills and improved the expressive force. It has become a unique solo instrument, with rich timbre, alto and bass suona, which are mostly used in national orchestras and symphony orchestras.