The unusual musical instrument, which the musician had developed and built by a company called MKC, consists of the strange-looking headgear and a motherboard. Brain waves are picked up from the parietal and frontal lobes, then sent by radio waves to the motherboard, which converts the radio waves into a wave pulse that is output as sound.
The way he's using it sounds like bio-feedback.
Batoh said it takes practice to learn how to control one’s mind in a way that produces a pleasing sound.
It seems experiments like this point to a future with a whole new class of musical instruments.