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Woodwind

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Woodwind


Musical instruments
Woodwinds
Brass
Percussion
String instruments
Keyboards

Woodwind instruments (also called woodwinds) are a family of musical instruments within the more general category of wind instruments. There are two main types of woodwind instruments: flutes and reed instruments (otherwise called reed pipes). What differentiates these instruments from other wind instruments is the way in which they produce their sound.[1]


Flutes

Main article: Flute

Flutes produce sound by directing a focused stream of air across the edge of a hole in a cylindrical tube.[2] The flute family can be divided into two sub-families: open flutes, and closed flutes.[3]

To produce a sound with open flutes, the player is required to blow a stream of air across a sharp edge that then splits the airstream . This split airstream then acts upon the air column contained within the flutes hollow causing it to vibrate and produce sound. Examples of open flutes are the transverse flute, panpipes and ocarinas.[4] Ancient flutes of this variety were often made from tubular sections of plants such as grasses, reeds, and hollowed-out tree branches. Later, flutes were made of metals such as tin, copper, or bronze. Modern concert flutes are usually made of high-grade metal alloys, usually containing nickel, silver, copper, or gold.[5]

To produce a sound with a closed flute, the player is required to blow air into a duct. This duct acts as a channel bringing the air to a sharp edge. As with the open flutes, the air is then split; this causes the column of air within the closed flute to vibrate and produce sound. Examples of this type of flute include the recorder (instrument), and organ pipes.[6]

Reed instruments

Reed instruments produce sound by focusing air into a mouthpiece which then causes a reed, or reeds, to vibrate. Similar to flutes, Reed pipes are also further divided into two types: single reed and double reed.[7]

Single-reed woodwinds produce sound by placing a reed onto the opening of a mouthpiece (using a ligature). When air is forced between the reed and the mouthpiece, the reed causes the air column in the instrument to vibrate and produce its unique sound. Single reed instruments include the clarinet, saxophone, and others such as the chalumeau.[8]

Double-reed instruments use two precisely cut, small pieces of cane bound together at the base. This form of sound production has been estimated to have originated in the middle to late Neolithic period; its discovery has been attributed to the observation of wind blowing through a split rush. The finished, bound reed is inserted into the instrument and vibrates as air is forced between the two pieces (again, causing the air within the instrument to vibrate as well).[9] This family of reed pipes is subdivided further into another two sub-families: exposed double reed, and capped double reed instruments.

Exposed double-reed instruments are played by having the double reed directly between the player's lips. This family includes instruments such as the oboe, cor anglais (also called English horn) and bassoon, and many types of shawms throughout the world.

On the other hand, Capped double-reed instruments have the double reed covered by a cap. The player blows through a hole in this cap that then directs the air through the reeds. This family includes the crumhorn.


Bagpipes are unique reed pipe instruments since they use two or more double or single reeds. However, bagpipes are functionally the same as a capped double reed instruments since the reeds are never in direct contact with player's lips.[10]

Free reed aerophone instruments are likewise unique since sound is produced by 'free reeds' – small metal tongues arranged in rows within a metal or wooden frame. The airflow necessary for the instruments sound is generated either by a players breath (e.g. harmonica), or by bellows (e.g. accordion).[11][12]

Modern orchestra and concert band woodwinds

Main article: Woodwind section

The modern orchestra's woodwinds section typically includes: piccolo, flutes, oboes, clarinets, and bassoons. The section may also on occasion be expanded by the addition of saxophone(s).[13]

The concert band's woodwind section typically includes: piccolo, flutes, oboes, E♭ clarinet, B♭ clarinets, alto clarinet, bass clarinet, contra-alto clarinet or contrabass clarinet, bassoons, alto saxophones, tenor saxophone, and baritone saxophone.

See also

References

External links

  • How do Woodwind Instruments work
  • Woodwind Fingering Chart
  • Woodwind Reference – ClassicalMusicHomepage.com
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