Easily adjustable assistant pedal system for keyboard...

Easily installable optical position transducer and keyboard...

Easy fingers

Easy fret

Easy install musical instrument string system

Easy method and system for a musical keyboard instrument

Easy visual training templates to teach piano scale...

Echo effect circuit for an electronic musical instrument

Echo-machine employing low pass filters with a variable cut-off

Edge mounted trap bag

Editing apparatus and editing method

Editing apparatus for automatic musical player

Editing apparatus of setting information for electronic...

Editor for musical performance data

Educational music instrument for children

Effect adaptor attachable to karaoke machine to create harmony c

Effect adder circuit with a coefficient smoothing circuit for an

Effect adding apparatus and method

Effect adding system

Effect adding system capable of simulating tones of stringed ins