Open architecture music synthesizer with dynamic voice allocatio

Open hole flute plug with tactile aesthetic and acoustical prope

Open-close structure for a keyed instrument

Open-sided musical drum

Opening and closing assist for a front lid of a keyboard...

Opening/closing apparatus of keyboard cover

Opening/closing mechanism for a keyboard instrument cover

Operated position detecting apparatus and electronic musical ins

Operating apparatus used at an electronic instrument provided wi

Operating member control device of electronic musical instrument

Operating panel device in electronic musical instrument

Operation detection switch, musical instrument and parameter...

Operational history control device for an electronic musical ins

Optical instrument pickup

Optical metronome

Optical metronome

Optical metronome

Optical metronome with transparent sheet music

Optical metronomes

Optical metronomes