Published by OneSwitch.org.uk Thursday, 19 November 2009 7:55 am.
This is said to work with musical instruments too. I'm immediately thinking of accessible musical instruments such as The Skoog, The Magic Flute and these one-switch instruments. Play a solo then have the computer build the backing around your performance. Exciting stuff that should only get better in the future.
Link via LittleMaths Twitter feed.