on a similar note (and because there's some great links being posted here), this video by walter lewin covers the physics of sound and how it relates to music,

on a similar note (and because there's some great links being posted here), this video by walter lewin covers the physics of sound and how it relates to music, it could be good secondary material for someone learning about music theory: http://mitworld.mit.edu/video/168 http://mitworld.mit.edu/video/168 what's great is that it's a serious physics lecture, but designed for kids, and there's plenty of funky experiments within the one hour.