If you're ready to plunge headfirst into a world of ghostly, ethereal sound armed with a slew of bells and whistles, consider the Moog Etherwave Plus Theremin. Channeling the warbling, weird sound made famous in the '50s and '60s, the theremin's inimitable presence adds depth and character to any genre. So where does the "plus" come in? Kick in the CV inputs to hook up the Etherwave to any synthesizer for an entirely new playing experience on your favorite Little Phatty or Voyager.