Sadly, many theremin owners think their theremins are neat, but it's hard to find a use for them unless you're going back in time to create sound effects for a movie about the future, which in the present is the past. Little did we know in the past of the present that in the present, or the past's future, what we will have known for some time in the future's past -- the Moog Etherwave Plus makes theremins more usable than ever before with added capabilities as a voltage controller.