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
Contra-alto flute Contra-alto flute The contra alto flute is in the key of G (or sometimes F), pitched one octave below the alto flute - which is a fourth lower than the concert flute. The instrument's body is sometimes held vertically, with an adjustable floor peg similar to that of the bass clarinet. But, it is sometimes held horizontally. It just depends on the company. The instrument maker Eva Kingma calls her contra-alto flute a "contr'alto flute in G," and Kotato & Fukushima call their instrument "bass flute in F." Kotato & Fukushima's instrument sells for US$17,500. For an extensive list of