Music's inner map revealed, with some help from geometry

The Boston Globe
Euro Musical tradition seems to address a manner in which the brain may process music, Tymoczko said. If notes make large leaps, we don't tend to hear it as a single melodic line. But if the steps are small, we can hear many lines of melody at once.

Music inner map Globe
More technical info Princeton

includes visual rep of Smoke on the Water and Chopin