The Brain and Music

talked to Sarah at her Halloween 'party', she told me about the professor for her Psychology of Music class, she mentioned something about him using a 'torus' to demonstrate the shifts in tonality throughout the song "Girl From Ipanema"; found some more articles on the subject of music's effects on the brain, how it processes music, tonality, melody etc here, very interesting:

http://www.edu-cyberpg.com/Culdesac/Stars/funkbrothersCulture.html

http://www.edu-cyberpg.com/Music/morebrain.html