When I recommend a book a second time, I put it on this list.
Bregman, Albert S., Auditory Scene Analysis, 1990, MIT Press
Brown, G. Spencer, Laws of Form, 1969, E. P. Dutton
Cogan, Robert, New Images of Musical Sound, 1984, Harvard University Press
Clynes, Manfred, Sentics, The Touch of Emotions, 1977, Anchor Press, Doubleday
Feller, William, An Introduction to Probability Theory and Its Applications, 1968, John Wiley & Sons, Inc.
Huron, David, Sweet Anticipation, Music and the Psychology of Expectation, 2006, MIT Press
Lakatos, Imre, Proofs and Refutations, The Logic of Mathematical Discovery, 1976, Cambridge University Press
Mathieu, W. A., Harmonic Experience, Tonal Harmony from its Natural Origins to its Modern Expression, 1997, Inner Traditions International
Noë, Alva, Action In Perception (Representation and Mind), 2006, MIT Press
Parncutt, Richard, Harmony: A Psychoacoustical Approach, 1989, Springer-Verlag
Rosen, Charles, Piano Notes, The World of the Pianist, 2002, Free Press, Simon & Schuster
Sloboda, John, Exploring the Musical Mind, cognition, emotion, ability, function, 2005, Oxford University Press
Temperley, David, The Cognition of Basic Musical Structures, 2001, MIT Press
Tenney, James, A History of ‘Consonance’ and ‘Dissonance’, 1988, Excelsior Music Publishing Company
Tufte, Edward R., The Visual Display of Quantitative Information, 1983, Graphics Press
Whitney, John, Digital Harmony: On the Complementarity of Music and Visual Art, 1981, McGraw-Hill