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The High Tide Organ is a tidal organ tall constructed in 2002 as part of "The Great Promenade Show" series of sculptures situated along Blackpool's New Promenade〔 (【引用サイトリンク】 accessdate=2008-04-16 ) 〕 in the UK. The artwork, described as a "musical manifestation of the sea", is one of a few examples of a tidal organ; others include the San Francisco Wave Organ〔(San Francisco's Wave Organ )〕 and the Sea Organ in Croatia. The sculpture was designed by the artists Liam Curtin〔 (【引用サイトリンク】 title=Artist's page for Blackpool High Tide Organ )〕 and John Gooding,〔 (【引用サイトリンク】 title=Investee and Award Directory )〕 and was constructed in concrete, steel, zinc and copper sheet.〔Lancashire Evening Telegraph. (2002-06-14). (New organ will be played by the sea ). Newsquest Media Group. Retrieved 2008-06-05.〕 The harnessing of wave energy, and the sculpting of the concrete and metals, is said to produce a unique interpretation of Blackpool's natural and man-made environments. The instrument is played by the sea at high tide through eight pipes attached to the sea wall. These are connected under the promenade to 18 organ pipes within the sculpture. The swell of seawater at high tide pushes air up the sea-wall pipes and causes the organ pipes to sound. The best time to hear the High Tide Organ is two to three hours before or after high tide. On very calm days the organ is silent for part of its cycle. The pitches of the pipes are based on the harmonic series in B flat. The High Tide Organ is one of a small group of musical instruments that operate without further human intervention, among which the aeolian harp and the wind chime are the most notable. ==See also== *Singing Ringing Tree 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「Blackpool High Tide Organ」の詳細全文を読む スポンサード リンク
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