Ableton live is a live audio triggering and remix software and Eyegaze is software that enables a user to use their eyes as a mouse on the computer. I am using Ableton on my Macbook Pro and Richard is using Eyegaze on his TOBI pc.
I've set up Ableton so that Richard is able to seamlessly DJ using his eyes triggering some GREAT industrial, punk, goth, indie and some dance now. Sisters of Mercy, X-Mal Deutschland, PJ Harvey etc.
A small example is here...