How Do Sound Waves Cure?… A network of sound vibrations is produced while listening continuously to a Raga. The muscles, nerves and Chakras of the affected part are contracted when one impulse is given and relaxed during the interval between two impulses. Musical notes regulate the blood flow in a subtle manner. Sound is energy. Music connects the Universal Energy Field and the Human Energy Field owing to the various strokes of the different notes of a Raga having an impact on the Central Nervous System. The reason is simple-The roots of the auditory nerves are more widely distributed and have more connections than any other nerves in the body.