Healing at the Speed of SoundBy: Don Campbell, Alex Doman Use the music you love to become more efficient, relaxed, healthy, and happy. At this very moment, you are surrounded by sound. Pause for a minute and try to listen to it all: the chatter of a passing conversation, the gentle whoosh of air vents, noise from a nearby street. We rarely pay attention to all that we hear, but every noise in our environment has the ability to affect our mood, our productivity, even our