Guo Musical Instrument Company New Design. Guo Musical Instrument Company Guo Musical Instrument Company (GMIC) is a Taiwan-based musical instrument manufacturer, specializing in flutes, piccolos, flute head joints, and saxophone necks and head joints. Founded by Geoffrey Guo in 1988, GMIC offers its products for sale online and through various retailers all over the world. Some of its instruments include a tenor flute, a G soprano flute, grenaditte flutes and a new C flute design called a Tocco flute. Many of these models of flutes and piccolos come in many different colors. In 2004, Geoffrey Guo and flute professor Mark Dannenbring developed the grenaditte
Overtone flute notes from a natural scale. Overtone flute tubes typically have relatively long resonating chamber compared to its diameter or cross sectional area, which encourages the instrument to resonate in the higher harmonics. This also makes it either difficult to play or very quiet when attempting to play the instrument in the first harmonic. Overtone flute An overtone flute is a type of a flute that is designed to play in the upper harmonics, typically well above the two or three harmonics that are the practical limit for most woodwind instruments. An overtone flute has either no tone holes, or relatively