Hey, a video.
Today I made a rotating "lantern"-style graphic score that could be controlled in time; the score is a sort of paper tube put on a lazy susan; players play following one of two lines, matching whatever shapes they see. A second person can turn the score faster or slower, backwards or forwards...anyway, you get the idea. Some flute, panpipes and ukulele in the sound file below; the movie is just a short clip of what the thing looks like in action.
That's a wind-up camping lantern in the middle, by the way.