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 energetic instrument, while the "mother" was the smaller or duller instrument. Musical instruments existed in this form for thousands of years before patterns of three or more tones would evolve in the form of the earliest xylophone. Xylophones originated in the mainland and archipelago of Southeast Asia, eventually spreading to Africa, the Americas, and Europe. Along with xylophones, which ranged from simple sets of three "leg bars" to carefully tuned sets of parallel bars, various cultures developed instruments such as the ground harp, ground zither, musical bow, and jaw harp. Images of musical instruments begin to appear in Mesopotamian artifacts