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date: 25 May 2020


  • Laurence Libin


Registered trademark for sets of tuned percussion tubes. The tubes, made of coloured, radially flexible plastic, are of graduated length and pitch and produce sounds when hit against surfaces (including the human body), against one another, or by striking the tubes with mallets. An optional cap fitted to a tube lowers its pitch one octave; caps on both ends allow a tube to enclose rattling pellets. The descriptive name (‘boom’ plus ‘whacker’) was coined by Craig Ramsell, who invented the instruments in California in ...

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