To suppress occurrence of a husky blowing sound by controlling an air beam to be formed at playing of a flute with high accuracy, and moreover to enable an angle and a length of the air beam to be adjusted easily, even if the flute is not turned.
Lips structure is equipped with an upper lip 29 and a lower lip 30 which consist of sheet material made of rubber, coil springs 32, 33 which are provided by being added respectively to these upper 29 and lower lips 30 and are prolonged in the left and right directions and connecting members 35 for the upper lip and connecting members 36 for the lower lip, which are attached to a plurality of places to the left and right directions, with respect to each of coil springs 32, 33. These connecting members 35, 36 are provided so that they can move compositely in the vertical directions and in the backward and forward directions, according to the accompaniment sound of a prescribed musical piece and a shape, and the area of an opening S are changed time sequentially.
WAKAMATSU KIYUUJINHIKARI
OKUMA ISAMU
ISODA HIDEZO
SENDA KEISUKE
SAISUU YUKAKO
GIFU PREFECTURE
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