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
Members of the western concert flute family version is usually used for jazz because both the tenor saxophone and clarinet are in B. The alto flute is characterized by its distinct, mellow tone in the lower portion of its range. The tube of the alto flute is considerably thicker and longer than a C flute and requires more breath from the player. However, this gives it a greater dynamic presence in the bottom octave and a half of its range. It is pitched in the key of G (sounding a fourth lower than written) with its range stretching from G to G. The headjoint may be straight