Leon Harkleroad (2006). The Math Behind the Music. Cambridge University Press. ISBN 0-521-81095-7.
A book on math and music, with such an ugly cover… how not to look like a nerd with all that… whatever… the book was really good and not that nerdy anyway !
In the fact, the first interesting feature is that the author wrote the book for non-mathematician and non-musician. Well, I guess you have to be interested a little bit in one or the other to read it, but it’s true: you don’t need to know any mathematical stuff and the only required musical concept is about the most basic structure of musical scores.