God is dynamically present in every breath and heartbeat. In each breath we draw, the Spirit gives life. Learning to reclaim the deep, nourishing breaths of infancy is part of basic training not only in health and movement classes, but in prayer and meditation practices around the world. The deep, full breathing required to sing may well have similar importance in praying well: nothing reminds us more literally than inbreathing and outbreathing that we continually receive life and must continually release what we have received in order to receive again.
There is a powerful stage of spiritual growth where longing for the Friend, the Beloved, is a consuming passion, a burning. And there is another place where personal longing for God gets pushed over into a vast Silence.