This is pretty freaky - a live demo of brainwaves technology by Neurosky and MXP4 interactive music by Musinaut that basically lets you DJ with mind bullets. 

Musinaut wants to make the music you listen change according to your mood. To achieve this, they have invented a special player capable of reading your brain waves, interpreting them, and then mixing your music to match your state of mind. 

This stuff is in its infancy, but it’s still fascinating.

Here’s ON10’s take NueroSky’s brainwave reading technology:

via gizmodo