Geophone (musical instrument) Geophone (musical instrument) The geophone is a percussion instrument, invented by the French composer Olivier Messiaen for use in his large composition for piano and orchestra entitled "Des canyons aux étoiles…" ("From the canyons to the stars…"). It consists of a drum filled with thousands of small lead pellets, and is played by swirling it around slowly so that the noise of the pellets resembles the sound of dry shifting earth. Messiaen commissioned a Parisian instrument maker to construct one to his design, and he carried this instrument worldwide to early performances of the piece (which was given its first
Experimental musical instrument which is an experimental musical instrument which plays music by way of sea waves and tubes located underneath a set of large marble steps. Concealed under these steps is a system of polyethylene tubes and a resonating cavity that turns the site into a huge musical instrument, played by the wind and the sea. The waves create somewhat random but harmonic sounds. Instigated by composer-researcher Georg Hajdu in 2006, Stephen Fox (clarinet maker) of Toronto, Canada, began building a new class of clarinets, called BP clarinets, able to play the Bohlen–Pierce scale of 146.3 cents per step. To date two