a double-reed instrument; the tenor of the oboe family.
"another type of woodwinds are free-reed instruments like the harmonica or mouth organ. The other class of woodwinds is the family of the flute. Brass instruments are the French horn,trumpet, etc."
Qiangdi is China's oldest single-reed instrument gas-ming, has 2000 years of history, popular in the northern part of Sichuan Aba Tibetan and Qiang Autonomous Prefecture of living place.