Take 3 variables from a musical keyboard input and graph them on a 3D graph so a dancing point of light varies according to the change in the 3 variables. The variables could be assignable but might work well with: loudness, variance from metronome rhythm, and average tonal center, or something like that. Make the point of light make pretty swirls. Also this would teach musicians to be gentle by being aware of changes in these variables.
-- JesusHChrist, Nov 06 2005

random, halfbakery