"Healing at the Speed of Sound. . . provides us with powerful tools to enhance our general health and wellbeing as well as expand our spiritual awareness."—David Perlmutter, MD, FACN, ABIHM, New York Times bestselling author of Power Up Your Brain: The Neuroscience of Enlightenment and Grain Brain
"From the moment of our birth. . .to the last breath we take, sound is a primary, shaping force in our lives. Don Campbell and Alex Doman have authored a wonderful treatise helping us understand the role sound plays in our lives and the means by which we can be productive, healthy and happy."—Sam Goldstein, Ph.D., author of The Power of Resilience
"Healing at the Speed of Sound puts us in charge of our own sound health and well being. Life is good-but it can be so much better with Campbell's infinite illuminations contained in this wonderful body of work."—Barry Green, bestselling author of the The Inner Game of Music, The Mastery of Music, and Bringing Music to Life
"As you read and apply what you learn in Healing at the Speed of Sound you will transform your life. Alex Doman and Don Campbell unveil practical and profound insights for attaining health and well-being."—Kevin Hall, bestselling author of Aspire: Discovering Your Purpose through the Power of Words