Electronic organ with chord control
Electronic piano circuit
Electronic piano circuit
Electronic piano circuit arrangement
Electronic piano tone circuit
Electronic player piano having a system for encoding of...
Electronic player piano with record and playback feature
Electronic siren structure and method
Electronic stringed musical instrument
Electronic tone-generating system
Eletromagnetic acoustic transducer with its air gap...
Embedded classical guitar midi interface with the two point...
Enhancement equipment for connection to electronic musical...
Expanded guitar