| 摘要 |
<p>The device has PVC tubes (2, 6) placed side by side and connected by a male/female PVC connection (5). The tubes comprise holes (7) closed and opened by fingers of children for forming different sounds. A cylindrical cork piece is inserted in the tube (6), and a hole is pierced in the cork piece. A crook (1) of a bassoon is inserted in the hole. The lengths of the tubes are such that the sound production forms determined and identifiable sounds.</p> |
