Bocal
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A bocal or crook is a curved, tapered
tube Tube or tubes may refer to: * ''Tube'' (2003 film), a 2003 Korean film * "Tubes" (Peter Dale), performer on the Soccer AM television show * Tube (band), a Japanese rock band * Tube & Berger, the alias of dance/electronica producers Arndt Rör ...
, which is an integral part of certain woodwind instruments. These include double reed instruments such as the
bassoon The bassoon is a musical instrument in the woodwind family, which plays in the tenor and bass ranges. It is composed of six pieces, and is usually made of wood. It is known for its distinctive tone color, wide range, versatility, and virtuosity ...
,
contrabassoon The contrabassoon, also known as the double bassoon, is a larger version of the bassoon, sounding an octave lower. Its technique is similar to its smaller cousin, with a few notable differences. Differences from the bassoon The Reed (mouthpie ...
,
English horn The cor anglais (, or original ; plural: ''cors anglais''), or English horn (mainly North America), is a double-reed woodwind instrument in the oboe family. It is approximately one and a half times the length of an oboe, making it essentially ...
, and
oboe d'amore The ; (), less commonly (), is a double reed woodwind musical instrument in the oboe family. Slightly larger than the oboe, it has a less assertive and a more tranquil and serene tone, and is considered the mezzo-soprano of the oboe family, betw ...
, as well as the larger recorders. In the double reed instruments, the bocal connects the
reed Reed or Reeds may refer to: Science, technology, biology, and medicine * Reed bird (disambiguation) * Reed pen, writing implement in use since ancient times * Reed (plant), one of several tall, grass-like wetland plants of the order Poales * Re ...
to the rest of the instrument; in the case of larger recorders, the bocal directs air from the player's mouth to the
fipple The term fipple specifies a variety of end-blown flute that includes the flageolet, recorder, and tin whistle. The Hornbostel–Sachs system for classifying musical instruments places this group under the heading "Flutes with duct or duct flut ...
. Bocals can be made from a variety of metals, including
nickel silver Nickel silver, maillechort, German silver, argentan, new silver, nickel brass, albata, or alpacca is a cupronickel (copper with nickel) alloy with the addition of zinc. The usual formulation is 60% copper, 20% nickel and 20% zinc. Nickel silver ...
,
brass Brass is an alloy of copper and zinc, in proportions which can be varied to achieve different colours and mechanical, electrical, acoustic and chemical properties, but copper typically has the larger proportion, generally copper and zinc. I ...
, sterling
silver Silver is a chemical element; it has Symbol (chemistry), symbol Ag () and atomic number 47. A soft, whitish-gray, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. ...
, or even
gold Gold is a chemical element; it has chemical symbol Au (from Latin ) and atomic number 79. In its pure form, it is a brightness, bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal ...
, and are covered at the lower end with a
cork "Cork" or "CORK" may refer to: Materials * Cork (material), an impermeable buoyant plant product ** Stopper (plug), or "cork", a cylindrical or conical object used to seal a container *** Wine cork an item to seal or reseal wine Places Ireland * ...
sleeve, allowing the bocal to fit tightly in the socket at the top of the instrument. More recently, at least one maker is producing bocals made of hardwood.{{cite web, url=http://www.robertronnes.com/paraschos.bassoonbocal.html, title=Paraschos Bassoon Bocal, website=robertronnes.com, archiveurl=https://web.archive.org/web/20071230111246/http://www.robertronnes.com/paraschos.bassoonbocal.html, archivedate=2007-12-30 The reed either fits directly on to the tapered end of the bocal (as with the bassoon) or is tied to a metal tube which fits to the bocal (as with the English horn). Some low-pitched single reed instruments have crooks that connect the mouthpiece to the
neck The neck is the part of the body in many vertebrates that connects the head to the torso. It supports the weight of the head and protects the nerves that transmit sensory and motor information between the brain and the rest of the body. Addition ...
or connect the neck to the main body of the instrument. The term "crook" can also be used to describe the curve of the neck itself. Examples of low single reed instruments with neck crooks include the
baritone saxophone The baritone saxophone (sometimes abbreviated to "bari sax") is a member of the saxophone family of instruments, larger (and lower-pitched) than the tenor saxophone, but smaller (and higher-pitched) than the bass saxophone, bass. It is the lowe ...
and
bass clarinet The bass clarinet is a musical instrument of the clarinet family. Like the more common Soprano clarinet, soprano B clarinet, it is usually pitched in B (meaning it is a transposing instrument on which a written C sounds as B), but it plays no ...
.


See also

* Leadpipe


Sources

Woodwind instrument parts and accessories