The vibration of the sound emitted from these Quartz Crystal Singing Bowls calibrates all aspects of the body and corresponding energy fields. These pure, natural tones bring your body and mind into a state of relaxation, reducing stress and anxiety, while initiating and accelerating healing. The organic nature of the tones from beginning to end is of the utmost importance in the way the body integrates the vibrations. This music has not been technologically altered or engineered in any way.