can you recommend some instructive online source where I could find some information about physics of musical theory. It can be either basic or advanced. I'd like to improve my guitar play understanding.
closed as not a real question by David Zaslavsky♦ Feb 3 '12 at 18:43
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, see the FAQ.
You don't really says what it is you're looking for but maybe you don't know yet.
This video is certainly entertaining. Watching this you probably find new keywords to search for.
Try Music - A mathematical offering. http://www.abdn.ac.uk/~mth192/html/maths-music.html