Guo Musical Instrument Company 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 flute. This
Members of the western concert flute family range of just over three octaves starting from the musical note C (corresponding to middle C on the piano), however, some experienced flautists are able to reach C. Many professional flutes have a longer B-foot joint, which can reach B. The "flûte d'amour" or "flauto d'amore" is pitched in either A or B and is intermediate in size between the modern C concert flute and the alto flute in G. It is the mezzo-soprano member of the flute family. It is sometimes referred to as a tenor flute. The range of the instrument is from A to E. The B