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
Contrabass flute Phyllis Avidan Louke, and Judy Nishimura, among others. One is a "contrabass flute in G," pitched a fourth below the bass flute and an octave lower than the alto flute; thus, this is technically, a contra-alto flute. The other instrument is a "subcontrabass flute in G" pitched one octave below the contra-alto flute, or two octaves below the alto flute in G. Kotato & Fukushima also produce a "subcontrabass flute in C", a large, deep instrument pitched a full octave below the contrabass flute in C. Contrabass flute The contrabass flute is one of the rarer members of the flute