Robert Friedman ; Kelly Howell Related books Chronic Pain (Sound Techniques for Healing) Brain Sync Corp • 1993 Depression (Sound Techniques for Healing) Brain Sync Corp • 1993 Headaches (Sound Techniques for Healing) Brain Sync Corp • 1993 High Blood Pressure (Sound Techniques for Healing) Brain Sync Corp • 1993 Sound Techniques for Healing Arthritis Brain Sync Corp • 1993