http://www.youtube.com/watch?v=5FF6O6Ne9wQ

This video captures some live patching, by Positron, using a Buchla 200 modular synthesizer.

via PositronMusic:

Number 2 in a series of live patching with the legendary Buchla 200 System.

Live patching of Buchla and other powerful modular synthesizers are performed in every Positron concert. Patch and music by Antonio Isaac