Saw this article about Walter Kitundu in the January/February issue of the Utne Reader.
This guy takes turntables and incorporates them into stringed instruments of all stripes.
Check it out on San Francisco Public Television via YouTube:
At about 5:24 he plays something that looks like a koto. I first heard the koto in my student days at Augustana College. Jeff Wichmann was a senior my freshman year, and he still plays it and the trumpet combined with loads of other instruments; check out his MySpace page.
Also check out today's Recession This!