A 'Chemnitzer concertina' is a
musical instrument of the hand-held bellows-driven
free-reed category, sometimes called ''
squeezeboxes'', although some performers consider the term "squeezebox" to be derogatory. The Chemnitzer concertina is most closely related to the
Bandoneon (
German spelling: ''Bandonion''), more distantly to the other
concertinas, and
accordions.

Chemnitzer concertina made by Star Mfg., Cicero, Illinois, USA in 2000
Physical description
It is roughly square in cross-section, with the
keyboards consisting of cylindrical buttons on each end arranged in curving rows. Like other
concertinas, the buttons travel in a direction approximately parallel to the motion of the bellows, whereas the keys and buttons of an accordion move roughly perpendicular to the motion of the bellows. A strap, usually of
leather, is fitted at each end to hold the player's palm against the instrument for playing. Compare to the English concertina where the thumb holds a strap, the little finger is held on a rest, and the remaining three fingers press the keys. The instrument is bisonoric, meaning that each button corresponds to two notes: one when the bellows is compressed, and another when it is expanded. On most instruments, two or more (and as many as five) reeds sound for each note. The tones produced are either in
octaves,
unison, or in some combination thereof.
Internal construction is different from other concertinas in that the action more closely resembles that of an accordion, and that the reeds are of steel (rather than brass) and are often fixed in groups of twenty or more to long zinc or aluminum plates, rather than to individual frames. This arrangement resembles that of the
Russian accordion, the
Bayan.
History
Sources differ whether German inventor
Carl Friedrich Uhlig created his first
concertina after seeing
Charles Wheatstone's instrument of the same name, or whether the two men invented their instruments concurrently and independently. Uhlig's patent dates to 1834, and while Wheatstone patented a related instrument, the
symphonium in 1829, he did not patent an instrument under the name "Concertina" until 1844.
Types
Uhlig's first instrument had five buttons on each side, but the keyboard was quickly expanded and as it did so, it diverged into different lineages. Heinrich Band's was sold under the name
Bandonion. Several other German instruments were sold under the name "Concertina" (or Konzertina), and their keyboard systems were given names based on their creators, as with Band and
Scheffler, or their city of origin, as with the
Karlsfelder and
Chemnitzer systems.
Strictly speaking, the Chemnitzer layout is one of 38, 39, 51 or 52 buttons, or one of the American expanded versions of the 52-button system. Especially in English-speaking countries, the term Chemnitzer is frequently applied to any of the square German concertinas that are not Bandonions.
In the
United States, especially in the
Midwest, where other concertina types are not as well-known as the Chemnitzer concertina, it may be called simply a "Concertina."
Innovations
The most notable innovations to the internal construction of the Chemnitzer concertina were made by German-American instrument builders in
Chicago:
Ernest Glass patented an aluminum action in 1912 (), which was quicker and quieter than earlier wooden actions; his son
Otto further improved this action in 1928 ().
Otto Schlicht patented an action in 1932 () which improved the pivot method of the action levers and allowed action levers to be manufactured by bending metal stock rather than by die stamping. In 1910, prior to these improvements,
Robert Leppert was issued a patent (), the specification of which describes in detail an action containing jointed levers between keys and pallets, however the claims of the patent only relate to a means of expression control also described; it is not clear whether Leppert actually invented the action arrangement.
Many American and
Italian builders of the
20th century began using reed and reedblock types similar to those used in accordions as a cost-saving measure and to facilitate repair, however many players consider these instruments to be inferior, as they often lack the traditional sound.
Repertoire
The Chemnitzer concertina has been predominantly used in
folk music, especially
Polka music played in Central and Eastern Europeans and by
nineteen- and
twentieth century immigrants to the United States from those regions. However the instrument, especially in its 52-button and larger versions is capable of performing in other musical contexts.
External links
★
Squeezebox, an open repository of squeezebox knowledge on Wikia.
★
Die Konzertina in Franken
★
ConcertinaMusic.com: The Concertina Music Site. Your source for sheet music with notation for the chemnitzer concertina.
References
★ Dunkel, Maria (1996). ''Bandonion und Konzertina: Ein Beitrag zur Darstellung des Instrumententyps'' (2nd ed.). München-Salzburg: Musikverlag Emil Katzbichler. ISBN 3-87397-070-8