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The pitch of a single bank of reeds is traditionally defined in a similar manner to the organ stops of a pipe organ.A bank that sounds at unison pitch when keys are depressed is called 8′ (pronounced "eight-foot") pitch: alluding to the length of the lowest-sounding organ pipe in that rank, which is approximately eight feet.
accordion A free-reed instrument with two keyboards played with the hands, in which the sound is produced by pumping a bellows. In the piano accordion, the right hand plays chords and melody lines on a small piano-style keyboard, while the left hand plays bass notes and chords on a button board.
The rarely used bass accordion has only a right-hand keyboard, with ranks of 8', 16', and 32' reeds, with the lowest note being the deepest pitch on a pipe organ pedal keyboard (pedal C). It is intended for performing basslines in accordion orchestras.
412.132 Sets of free reeds – Accordion, harmonica, and reed pipes of the pipe organ. 412.14 Band reed instruments – The air hits the sharp edge of a band under tension. The acoustics of this instrument have so far not been investigated. [3] 412.141 Individual band reeds. 412.142 Sets of band reeds; 412.15 Mixed sets of reeds
412.122 Sets of percussion reeds. - Earlier organs 412.13 Free-reed instruments feature a reed which vibrates within a closely fitting slot (there may be an attached pipe, but it should only vibrate in sympathy with the reed, and not have an effect on the pitch - instruments of this class can be distinguished from 422.3 by the lack of finger ...
The internal construction of the flutina resembles the English Wheatstone concertina more than the "reed banks" used in regular accordion construction. Thus, it has a concertina-like sound. Underneath the pallet/keyboard face, there is a rectangular, wooden board, reed pan, with reed chambers, made with airtight, leather covered, thin wooden ...
The Cajun accordion is generally defined as a single-row diatonic accordion, as compared to multiple-row instruments commonly used in Irish, Italian, polka, and other styles of music. The Cajun accordion has four reed ranks , i.e., four reeds for each melody button, and each reed bank is controlled by a corresponding stop or knob on the top of ...
The accordion was spread across the globe by the waves of Europeans who emigrated to various parts of the world in the late 19th century and early 20th century. The mid-19th-century accordion became a favorite of folk musicians for several reasons: "The new instrument's popularity [among the common masses] was a result of its unique qualities.