SOUND is the vibration, the energy, and the motion.  All existence – be it atoms, planets, the universe – has wave characteristics. Too high, loud, abrupt sounds (Hetero characteristics, as well as too low, soft, dull, monotonous ones (Homo, characteristics, might worsen emotional and physical alternating sounds and their combinations (Neutro) have a beneficial effect on the overall/body.  It is important not only to listen but to sing as well; it not only unites with a singer’s soul but also express one’s own soul!