The angels can know us more intimately and love us when we sing, and they are not asking that we sound like the Philharmonic. They ask us simply to sing because we are harmonic. We are symphonic and in these ways we can connect with the angelic world. I think and feel that the angels wait for us at every given moment. If we alternate song and silence, consciously, with burning attention, every rounded tone carves out the possibility to bridge heaven and earth, to live the material half of the angel.
The discipline of silence doesn't mean just taking a short vacation from the spoken word. It also means giving complete relaxation to the muscles, the tissues, the tongue itself. A modern writer once said: "Knowledge has never been known to enter the head via an open mouth." It is when you become completely silent that you are able to absorb knowledge. God speaks in silence. The discipline of silence is essential on the path.