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
Bass flute Peter van Munster (Roma: Riverberi Sonori). Selected repertoire graded into ability levels with short descriptions and information about basses can be found in "The Alto and Bass Flute Resource Guide" published by Falls House Press, and specialist low flutes publishing company Tetractys has a growing catalogue of works for bass flute. A handful of jazz musicians have used the bass flute, including saxophonists Henry Threadgill, Brian Landrus, and James Carter, and drummer Ronald Shannon Jackson who occasionally played bass flute as a second instrument. Hubert Laws features the bass flute on his recording of "Amazing Grace," in which he plays