While the first healers were musicians who relied on rhythm and song to help cure the sick, over time Western thinkers and doctors lost touch with these traditions. In the West, for almost two millennia, the roles of the healer and the musician have been strictly separated. Until recently, that is. Over the past few decades there has been a resurgence of interest in healing music. In the midst of this nascent revival, Ted Gioia, a musician, composer,...