What to say about the Brain-in-a-Jar 'Theramin' ? It has a quirky wayward charm much like it's stable-mates, and holds the potential for producing some very aetherial sounds of its own. We call it Joseph.
The Original Theramin was first devised by... Leon Theramin, and produced a ghostly rising and falling tone dependent on the proximity of the player's hand to its aerial. It has a disputed place in history as the first electronic musical instrument - certainly the first instrument played by not touching anything, non ?