Sound is an information and nutrients for us. We often say "food is medicine". Yes, it is very true. When we eat nutritious food, our stomach digest the food an nutrients are absorbed in our intestines and are delivered to cells through blood stream. Sound works uniquely. It directly vibrates our liquid (such as blood) ,solid (such as solid organ and cells), air (such as lungs, gastric tract), and energetic bodies (energy flowing in our body) simultaneously and instantly.