Laser activated synthesizer system
Layered signal processing for individual and group output of...
Layered voice musical self-accompaniment system
Level control system for automatic accompaniment playback
Light beam shaping in an optical pick up for a musical...
Lighting controller
Linearly-positional, multi-configurational, stringed musical ins
Liquid actuated electronic musical device
Local control function apparatus having a single switch
Loudspeaker system for electronic piano
Low frequency oscillator providing phase-staggered...
Low frequency sound monitoring system for musicians
Low-power music synthesizer and transmitter