Tuning the Human Instrument: An Owner's ManualHave you ever considered that we live in a world alive with sound? Most people haven't. We tend to lose sight of those things are constantly with us. And yet, whether we are aware of them or not, sound exerts a tremendous influence over our physical, psychological and spiritual state of being. The reason for this is simple, as Steven Halpern, Ph. D. articulates in his remarkable book. "Our bodies," he says, "are literally 'HUMAN INSTRUMENTS'! And just