Casio DG-20 Digital Synthesizer Guitar 1980sCasio DG 20 Digital Synthesizer Guitar Without a doubt one of the most 80s thing to ever come out of the 80s, the DG 20 was a revolution in design, sound and playability whilst severely lacking in practicality. But how can you value practicality when you've got an entire MIDI controlled fingerboard which is capabable of individual MIDI output for each string, built in effects, 20 different sounds and a kick ass drum machine encapsulated in what can