Five-key flute Five-key flute The five-key flute is a musical instrument once common in school marching bands, and composed of wood with metal keys. It is a transposing instrument, most commonly in Bb, this variant being known as the Bb flute and sounding one tone below the orchestral piccolo. The next most common variant is the Eb flute, sounding a fifth below the Bb flute and used as its bass instrument in band harmonies. It is now often found in British military corps of drums, often playing various regimental marches. As the name suggests, the five-key flute most commonly has five keys,
Koudi Koudi The koudi (Chinese: 口笛; pinyin: kǒudí; also spelled kou di) is a very small Chinese flute made from bamboo. It is the smallest flute in Chinese Flute family. Its original shape is from prehistorical instruments made with animal bone, while Koudi is made with wood, bamboo or PVC, which is very distinct with the original shape. It was invented in 1971 by "dizi" master Yu Xunfa (, 1946–2006). In 1971, the famous Chinese Flute player Yu Xunfa, who was inspired by original prehistorical instrument, made the first Koudi. This instrument contains one octave, and two years later this instrument