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An experimental musical instrument (or custom-made instrument) is a musical instrument that modifies or extends an existing instrument or class of instruments, or defines or creates a new class of instrument. Some are created through simple modifications, such as cracked drum cymbals or metal objects inserted between piano strings in a prepared piano. Some experimental instruments are created from household items like a homemade mute for brass instruments such as bathtub plugs. Other experimental instruments are created from electronic spare parts, or by mixing acoustic instruments with electric components. The instruments created by the earliest 20th-century builders of experimental musical instruments, such as Luigi Russolo (1885–1947), Harry Partch (1901–1974), and John Cage (1912–1992), were not well received by the public at the time of their invention. Even mid-20th century builders such as Ivor Darreg, Pierre Schaeffer and Pierre Henry did not gain a great deal of popularity. However, by the 1980s and 1990s, experimental musical instruments gained a wider audience when they were used by bands such as Einstürzende Neubauten and Neptune. ==Types== Experimental musical instruments are made from a wide variety of materials, using a range of different sound-production techniques. Some of the simplest instruments are percussion instruments made from scrap metal, like those created by German band Einstürzende Neubauten. Some experimental hydraulophones have been made using sewer pipes and plumbing fittings.〔(Hydraulophones, Amazing Woodwater Instruments Collection )〕 Since the late 1960s, many experimental musical instruments have incorporated electric or electronic components, such as Fifty Foot Hose 1967-era homemade synthesizers, Wolfgang Flür and Florian Schneider's playable electronic percussion pads, and Future Man's homemade drum machine made out of spare parts and his electronic Synthaxe Drumitar. Some experimental musical instruments are created by luthiers, who are trained in the construction of string instruments. Some custom made string instruments are employed with three bridges,〔(Moodswinger - Experimental electric zither musical instrument, unique and unusual )〕 instead of the usual two (counting the nut as a bridge). By adding a third bridge, one can create a number of unusual sounds reminiscent of chimes, bells or harps〔(【引用サイトリンク】date=7 September 2013 )〕〔Prepared Guitar Techniques - Matthew Elgart/Peter Yates (Elgart/Yates Guitar Duo) ISBN 0-939297-88-4, California Guitar Archives, 1990 ()〕〔(【引用サイトリンク】title=About the pencilina )〕〔(freesound :: view tag :: prepared-guitar )〕 A 'third bridge instrument' can be a "prepared guitar" modified with an object – for instance, a screwdriver – placed under the strings to act as a makeshift bridge, or it can be a custom made instrument. One of the first guitarists who began building instruments with an extra bridge was Fred Frith. Guitarist and composer Glenn Branca has created similar instruments which he calls harmonic guitars or mallet guitars. Since the 1970s, German guitarist and luthier Hans Reichel has created guitars with third-bridge-like qualities. Modern Day electronic low voltage experimental musical instruments, can be found at Bentmonkeycage in California USA. These glitched instruments are used in Movie Soundtracks, Live DUBNOISE performances, DJ performances, and Recording. The electronic unengineered circuitry within the device, can be manipulated with simple body contacts, light sensitive photocells, infrared signals, and radio waves (as in a theremin). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Experimental musical instrument」の詳細全文を読む スポンサード リンク
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