Orbifolds in music

For Wednesday November 1, please check out the following article from the journal Science:

http://www.sciencemag.org/cgi/content/full/313/5783/72

And you can find more background info at Dmitri Tymoczko's homepage:

http://www.music.princeton.edu/~dmitri/

Including animations (made with Max/MSP/Jitter) of Chopin's e minor prelude, mapped in several different dimensions.