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
Boston Musical Instrument Company Boston Musical Instrument Company The Boston Musical Instrument Company was an American manufacturer of brass band instruments in the late 19th and early 20th centuries located in Boston, Massachusetts. Elbridge Wright was an apprentice to Samuel Graves at his original woodwind shop which had been founded in the 1820s outside of Boston. At the same time Wright was with Graves, James Keat, who had apprenticed to hais father Samuel in England around the turn of the century, introduced the Graves firm to brasswind instrument manufacture. Wright learned from both Graves and Keat before setting out on his own. In 1869,