https://dl.dropboxusercontent.com/u/3507527/MusicTh.html explains "Warren Smith's theory of music." The claim is that music is a debugging tool. It also contains some analysis about tuning, frequencies, musical scale, which you've recently been talking about. The fact the traditional western scale has 12 notes seems not to be a coincidence; it is best possible. See "Why the 12-note scale?" within it. -- Warren D. Smith http://RangeVoting.org <-- add your endorsement (by clicking "endorse" as 1st step)