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| | Chicago Symphony Orchestra - Woodwind instruments |
 | | The principal woodwind instruments of the modern symphony orchestra are the FLUTE, CLARINET, OBOE, and BASSOON. |
 | | On woodwind instruments, as on all wind instruments, playing different notes (that is, varying the pitch of notes) is a matter of changing the length of the vibrating air column. |
 | | Since there are far more holes on a woodwind instrument than a player has fingers, woodwind players must cover and uncover the necessary holes by using an array of metal keys, which are part of a system of levers, rods, and springs, all connected to felt-padded hole covers. |
| www.cso.org /main.taf?p=1,1,4,21 (3306 words) |
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