Next I saw the most lucid air, in which I heard . . . in a marvelous way many kinds of musicians praising the joys of the heavenly citizens . . . And their sound was like the voice of a multitude, making music in harmony.
~ Hildegard of Bingen
Time and space are the very music of God's harp, for each moment in time is empty of other moments, and each part of space is empty of other parts, so that we will not have to hear too much at once. That is why there are seasons.