Do not waste what remains of your life in speculating about your neighbors, unless with a view to some mutual benefit. To wonder what so-and-so is doing and why, or what he is saying, or thinking, or scheming -- in a word, anything that distracts you from fidelity to the ruler within you -- means a loss of opportunity for some other task.
Sound is the force of creation, the true whole. Music then, becomes the voice of the great cosmic oneness and therefore the optimal way to reach this final state of healing.