Hybrid keyboard/stringed audio visual instrument by artist and musician Ken Butler. The keyboard activates the lamps of six slide projectors (aimed at the same area of the screen) creating live animation along with perfectly synchronized sound from an amplified string (located under the keys), the extended end which is struck with a stick, bowed, or strummed by a motorized disc, rimmed with guitar picks.

A single key advances all six projectors to a new group of slides. Additional strings and resonant surfaces provide other sounds.
For more of Ken Butler's art and instruments visit
http://www.mindspring.com/~kbhybrid/