Bocals come in many different lengths and styles, depending on the desired tuning and playing characteristics.įolded upon itself, the bassoon stands 1.34 m (4.4 feet) tall, but the total sounding length is 2.54 m (roughly 8.3 feet). The bocal connects the reed to the rest of the instrument and is inserted into a socket at the top of the wing joint. The joints between sections consist of a tenon fitting into a socket the tenons are wrapped in either cork or string as a seal against air leaks. The end of the bell is usually fitted with a ring, either of metal, plastic or ivory. Wooden instruments are lined with hard rubber along the interior of the wing and boot joints to prevent damage from moisture wooden instruments are also stained and varnished. This ensures coverage by the fingers of the average adult hand. The walls of the bassoon are thicker at various points along the bore here, the tone holes are drilled at an angle to the axis of the bore, which reduces the distance between the holes on the exterior. Both bore and tone holes are precision-machined, and each instrument is finished by hand for proper tuning. The bore of the bassoon is conical, like that of the oboe and the saxophone, and the two adjoining bores of the boot joint are connected at the bottom of the instrument with a U-shaped metal connector. Less-expensive models are also made of materials such as polypropylene and ebonite, primarily for student and outdoor use metal bassoons were made in the past but have not been produced by any major manufacturer since 1889.
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The modern bassoon is generally made of maple, with medium-hardness types such as sycamore maple and sugar maple preferred. The bell (6), extending upward the bass joint (or long joint) (5), connecting the bell and the boot the boot (or butt) (4), at the bottom of the instrument and folding over on itself the wing joint (3), which extends from boot to bocal and the bocal (or crook) (2), a crooked metal tube that attaches the wing joint to a reed (1) ( listen ( help The bassoon disassembles into six main pieces, including the reed.
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A spectrogram of the bassoon's B ♭ in four octaves.