Electronic keyboard musical instrument capable of imparting effe

Electronic keyboard musical instrument capable of inputting rhyt

Electronic keyboard musical instrument capable of varying a musi

Electronic keyboard musical instrument for assisting in...

Electronic keyboard musical instrument having key actuators

Electronic keyboard musical instrument having user selectable di

Electronic keyboard musical instrument of wave memory reading ty

Electronic keyboard musical instrument or tone generator employi

Electronic keyboard musical instrument with multifunctional keyb

Electronic keyboard musical instrument with pedal effect determi

Electronic keyboard musical instrument with portamento or glissa

Electronic keyboard musical instrument with processing of depres

Electronic keyboard percussion instrument

Electronic keyboard-operated musical instrument

Electronic melody generating system having memory separated from

Electronic method and apparatus for modifying musical sound

Electronic music and sound mixing device

Electronic music apparatus

Electronic music apparatus and program

Electronic music apparatus and tone control method