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The whirly tube, corrugaphone, or bloogle resonator, is a musical instrument which consists of a corrugated (ribbed) plastic tube (hollow flexible cylinder), open at both ends, which is swung in a circle to play. The faster the toy is swung the higher the pitch of the note it produces. It produces discrete notes in the harmonic series like a valveless brass instrument. The fundamental and second harmonic are difficult to excite.〔Sprott, Julien Clinton (2006). ''Physics Demonstrations: A Sourcebook for Teachers of Physics, Volume 1'', p.158. ISBN 9780299215804. "corrugaphone", "Bloogle Resonator", "Hummer".〕 The instrument is often used as a toy but it has also been used as by a number of artists including Peter Schickele (see below), Loch Lomond, and Yearbook Committee. Also Brett Dean's ''Moments of Bliss''.〔Morris, Craig (August 7, 2009). "(Whirly Tubes and Bloogles )", ''LivMusic.com''.〕 ==Lasso d'amore== The lasso d'amore is an experimental musical instrument made of corrugated plastic tubing, employed in some of Peter Schickele's comic P. D. Q. Bach compositions such as the ''Erotica Variations'' and ''Shepherd on the Rocks with a Twist''. Schickele gives a tongue-in-cheek explanation of the instrument's evolution: Viennese cowboys twirled "their lariats over their heads with such great speed that a musical pitch was produced. ... The modifications that had made this development possible rendered (lasso ) useless for roping cattle." In reality, the lasso d'amore is a toy sold under various names including "bloogle" and "corrugaphone". It is much like a thin vacuum cleaner hose that is swung in a circle to play. The faster the toy is swung the higher the pitch of the note it produces. It produces discrete notes in the overtone series like a valveless brass instrument. To be played in concert as a lasso d'amore the length of the toy must be trimmed to tune it. 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「Whirly tube」の詳細全文を読む スポンサード リンク
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