The goal of everyone is the same but we name it differently.  We are heading towards one goal of peace, happiness or knowledge.  Ancient people set a norm that one must seek four things in life - ayu, vidya, dhanam and yasham or kirti.  These are good guidelines for living. 

Body-based Yoga means aiming at the communion with God through physical discipline.  Yoga is for all.  It starts it's experiments on the grossest from the physical body and it's base.  Through the discipline of the mind it cultures the spiritual personality of man.

Sound is known is known as 'nada' in Sanskrit. There are two types of sound. One type is created or caused sound. It is caused by friction, by two things rubbing together or dashing against each other. The second type is 'anahat' or uncaused sound.           When sound is caused, there are two principles which create a third. This is the theory of creation. At least two things are needed to create something. Sounds is the first manifestation of divine energy. How did the cosmos come into existence? There must have been one force which split into which then created a third. From these three forces everything both seen and unseen was created.

The energy giver is the soul.  Without the soul the body will not survive.  Meditation is an effort to come close to the soul.   Soul gives energy to the senses.   It is a giver not a receiver.   Senses receive from the soul.