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Woodwind instrument

A woodwind instrument is a musical instrument in which sound is produced by blowing through a mouthpiece against an edge or by a vibrating reed, and in which the pitch is varied by opening or closing holes in the body of the instrument. Woodwind instruments were originally made of wood, as the word woodwind implies.

There are three main sorts of woodwind instrument:

One interesting difference between woodwind and brass instruments is that woodwind instruments are non-directional. This means that the sound produced propagates in all directions with approximately equal volume. Brass instruments, on the other hand, are highly directional, with most of the sound produced traveling straight outward from the bell. This difference makes it significantly more difficult to record a woodwind instrument accurately. It also plays a major role in some performance situations, such as in marching bands.