Learn to release tension while remaining in a mentally active state of awareness. Experience a release from physical strain. Overcome stage fright. Eliminate jitters before a challenging activity. Feel calm and serene. Counteract anger and frustration caused by stress. Enjoy greater clarity in upsetting situations. Hemi-Sync® sound patterns facilitate synchronized brain-wave activity in the two hemispheres of the brain and help you achieve and sustain the desired brain-wave state.