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 below the bass flute. It is so large that the instrument's body is held vertically, with an adjustable floor peg similar to that of the bass clarinet. The contrabass flute (sometimes also called octobass flute) is used mostly in flute ensembles. Its range is similar to that of the regular concert flute, except that it is pitched two octaves lower; the lowest performable note is C (equivalent to the lowest C on the cello). Many contrabass flutes in C are also equipped with a low B (in the same manner as many modern standard sized flutes are). The contra-alto flute