O-ring ligature
Oboe reed gouging device
Obturator for flute designed to improve the emission of certain
Ocarinas with an inner liner and an outer shell
Open hole flute plug with tactile aesthetic and acoustical prope
Operating member control device of electronic musical instrument
Organ capture action
Organ drawknob
Organ reed pipe shallot
Organ stop control panel
Organ stop switching system
Organ stop tablet mechanism
Oriented polymer reeds for musical instruments
Oriented polymer reeds for woodwind instruments