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 model for flute ensembles. Contrabass flutes have also been made from PVC pipe, by the Dutch flute maker Jelle Hogenhuis. It is reported that while it might be thought that an instrument made from PVC would be inferior, the PVC allows for a louder instrument if the wall thickness is kept small. PVC also permits more rough treatment, as the plastic instrument can be bumped without denting. New solo and chamber music is being composed almost every day for this instrument, and performer Peter Sheridan has commissioned numerous works from composers around the world, including: Alex Shapiro, Patrick Neher, Vinny