Easily adjustable assistant pedal system for keyboard...

Easily installable optical position transducer and keyboard...

Easy fingers

Easy fret

Echo effect circuit for an electronic musical instrument

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

Editing apparatus and editing method

Editing apparatus for automatic musical player

Editing apparatus of setting information for electronic...

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

Effect control method, an effect control device and a karaoke sy

Effect device systems and methods

Effect generating system for an electronic musical instrument

Effect imparting device and electronic musical instrument incorp

Effect imparting device for an electronic musical instrument or