Press C, V, N, or M to change the pose of the middle dancer. Spamming the same key will not do anything other than set that pose as many times as the key is pressed; the sprite remains still. Space bar stops the program.
Bug: you may need to hold the space bar a moment to stop everything Music from http://freemusicarchive.org/music/PP_Roy/Watch_The_Dough_Nut_Not_The_Hole/12_Attract_Mode
