There are paintings and sculptures that tug at the heart because they catch a simple moment and make beauty conscious. There is music that "brims the eyes with bliss". Such works of art are shock waves that travel between the ego and the Divine Guest, reminding us of a nobler purpose to life. They create moments in which we know that we can lead a symbolic life, when the Self, like Michelangelo's God, reaches out to touch the outstretched hand of our inner Adam and our ego.
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.