Electric organ

Yamaha GX-1, an early polyphonic synthesizer organ in the 1970s
WERSI Scala, an open architecture software organ platform in 2002
Rodgers Trillium organ custom three-manual console on a church.
right top: a sound module for extra pipe and orchestral sounds.
left top: a laptop PC for sequencing the organ.

An electric organ, also known as electronic organ, is an electronic keyboard instrument which was derived from the harmonium, pipe organ and theatre organ. Originally designed to imitate their sound, or orchestral sounds, it has since developed into several types of instruments: