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 to be quiet, the double contrabass flute has a surprisingly powerful tone, though it benefits from amplification in ensembles. The hyperbass flute is the largest and lowest instrument in the flute family. It is pitched in C, four octaves below the concert flute (and three octaves below the bass flute, two octaves below the contrabass flute, and one octave below the double contrabass flute). It is made of PVC and wood, its tubing is over in length and its lowest note is C (16 Hz), below what is generally considered the range of human hearing. The only known example of