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
Subcontrabass flute Subcontrabass flute The subcontrabass flute is one of the largest instruments in the flute family, measuring over long. The instrument can be made in the key of G, pitched a fourth below the contrabass flute in C and two octaves below the alto flute in G; which is sometimes also called double contra-alto flute, or in C, which will sound three octaves lower than the C flute. The subcontrabass flute is rarely used outside of flute ensembles. It is sometimes called the "gentle giant" of the flute family because of its gentle sound. At present, the subcontrabass flute is an