The Musical Structures in Plato’s Dialogues by J.B. Kennedy 

How Equal Temperament Ruined Harmony by Ross Duffin

Singing Bowls: A Practical Handbook of Instruction and Use by Eva Rudy Jansen

Himalayan Sound Revelations: The Complete Singing Bowl Book by Frank Perry

The Mysticism of Sound and Music by Hazrat Inayat Khan

The Music of Life by Hazrat Inayat Khan

Sound Medicine by Wayne Perry

The Power of Sound by Joshua Leeds

Sound Bodies Through Sound Therapy by Dorinne S. Davis

Music and the Power of Sound by Alain Danielou

The Seventh Dragon: The Riddle of Equal Temperament by Anita T. Sullivan

The Mathematics of Music by John O'Sullivan

Temperament: How Music Became a Battleground for the Great Minds of Western Civilization by Stuart Isacoff

Interference: A Grand Scientific Musical Theory by Richard Merrick

The Venus Blueprint by Richard Merrick

The Harmonics of Sound, Color, and Vibration by William David

Music and Altered States: Consciousness, Transcendence, Therapy and Addictions (edited by David Aldridge and Jorg Fachner)

The Tao of Music by John M. Ortiz

Sacred Sounds: Magic & Healing through Words & Music by Ted Andrews

Music and Trance by Gilbert Rouget

The Healing Forces of Music: History, Theory, and Practice by Randall McClellan

The Secret Lore of Music by Fabre d'Olivet translated by Joscelyn Godwin

The Harmony of the Spheres: The Pythagorean Tradition in Music by Joscelyn Godwin

Harmonic Learning by James Moffett

The Science of Religion by Howard Barry Schatz

The Lost Word of God by Howard Barry Schatz

The Seventh Dragon: The Riddle of Equal Temperament by Anita Sullivan

Human Tuning, Sound Healing with Tuning Forks by John Beaulieu

Music and Consciousness: Philosophical, Psychological, and Cultural Perspectives by D. Clarke & E. Clarke

Cymatics: A Study of Wave Phenomena & Vibration by Hans Jenny

Water Sound Images by Alexander Lauterwasser

The World Is Sound: Nada Brahma: Music and the Landscape of Consciousness by Joachim-Ernst Berendt

Making Music in the Arab World: The Culture and Artistry of Tarab

Why You Hear What You Hear