Science Fair Projects Ideas - Chemnitzer concertina

All Science Fair Projects

      

Science Fair Project Encyclopedia for Schools!

  Search    Browse    Forum  Coach    Links    Editor    Help    Tell-a-Friend    Encyclopedia    Dictionary     

Science Fair Project Encyclopedia

For information on any area of science that interests you,
enter a keyword (eg. scientific method, molecule, cloud, carbohydrate etc.).
Or else, you can start by choosing any of the categories below.

Chemnitzer concertina

A Chemnitzer concertina is a musical instrument of the hand-held bellows-driven free-reed category, sometimes called squeezeboxes (Ed. note: 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.

Contents

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 systms.

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 innovation to the internal construction of the Chemnitzer concertina was made by German-American instrument builder Otto Schlicht who in 1932 patented (US Pat. No. 1,890,830) an improved action mechanism, which was quicker and quieter than earlier wooden actions.

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

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
10-26-2009 08:16:03
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details
Science kits, science lessons, science toys, maths toys, hobby kits, science games and books - these are some of many products that can help give your kid an edge in their science fair projects, and develop a tremendous interest in the study of science. When shopping for a science kit or other supplies, make sure that you carefully review the features and quality of the products. Compare prices by going to several online stores. Read product reviews online or refer to magazines.

Start by looking for your science kit review or science toy review. Compare prices but remember, Price $ is not everything. Quality does matter.
Science Fair Coach
What do science fair judges look out for?
ScienceHound
Science Fair Projects for students of all ages
All Science Fair Projects.com Site
All Science Fair Projects Homepage
Search | Browse | Links | From-our-Editor | Books | Help | Contact | Privacy | Disclaimer | Copyright Notice