I found this video on YouTube: http://www.youtube.com/watch?v=wFHL5b7dIpE&mode=related&search=
It's Pink Floyd's David Gilmour and Brian May jamming on Deep Purple's Smoke on the Water. Has anyone ever heard of this? Or know anything about it? It appears to be in the late-80's, right after Pink Floyd's Momentary Lapse of Reason tour,
"Have you ever seen or touched any monkeys?"