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| | Musical Instruments |
 | | The great majority of musical instruments fall readily into one of six major categories: bowed strings, woodwind, brass, percussion, keyboard, and the guitar family, the first four of which form the basis of the modern symphony orchestra. |
 | | The standard instrument can be pitched in B flat (usually) or A, and the family is unusually extensive including the higher-pitched E flat, the B flat bass, the rarely-used C, the alto (a modern relative of the basset horn), and the even more obscure double-bass or 'pedal' clarinet. |
 | | Brass instruments are also activated by blowing into them, although instead of using a form of reed over which the mouth is placed, the lips are placed against or inside the cup of a metal mouthpiece, and made to vibrate against its inner rim. |
| www.naxos.com /education/music_instruments.asp (1225 words) |
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