N=(p1)(p2) - %(pr) > 2 = Elephant^6

I really like Robert Schneider who leads the band The Apples in Stereo, there isn't a nicer guy or now...perhaps smarter guy in the indie world.

He led a seminar discussing his non-Pythagorean musical scale at Mathfest, the annual gathering of the Mathematical Association of America.

Here is the article