Abutment device for a key switch arrangement operable with both

Accelerated aging process for acoustic stringed instruments

Accentuator plate for vibrating soundboard in stringed musical i

Accessory for a drum pedal assembly

Accompaniment data format and video-song accompaniment apparatus

Accompaniment line principal tone determination system

Accompaniment line principal tone determination system

Accompaniment note selection method

Accompaniment system for electronic musical instrument

Accompaniment tone generator for electronic musical instrument

Accompanying device for playing stringed instruments

Accordion sliding bass

Accordion support apparatus

Accordion with a new order of sounds and mechanical reed opening

Acoustic amplifier and tone controller for stringed musical...

Acoustic and electric combination guitar

Acoustic arm

Acoustic control apparatus for controlling music information in

Acoustic control apparatus for controlling musical tones based u

Acoustic control system for electronic musical instrument