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
Musical Instrument Museum (Phoenix) the museum's founders, in addition to those who gave significant gifts. Musical Instrument Museum (Phoenix) The Musical Instrument Museum (MIM) is located in Phoenix, Arizona. Opened in April 2010, it is the largest museum of its type in the world. The collection of over 15,000 musical instruments and associated objects includes examples from nearly 200 countries and territories, representing every inhabited continent. Some larger countries such as the United States, Mexico, India, China, and Brazil have multiple displays with subsections for different types of ethnic, folk, and tribal music. The Museum was founded by Robert J. Ulrich, former CEO and