It was a music of the spirit, seeking peace, not emotional release, expressing the hunger of the soul rather than the heart. A way of sequencing notes so ancient it might be music's mother lode, its Fertile Crescent. It wouldn't have grated, I felt, on the ears of ancient Greeks or Egyptians or Mesopotamians or Sumerians—or even on the august auditory equipment of the Buddha or Lao-tzu.

The Church acknowledges Gregorian chant as specially suited to the Roman liturgy: therefore, other things being equal, it should be given pride of place in liturgical services. But other kinds of sacred music, especially polyphony, are by no means excluded from liturgical celebrations, so long as they accord with the spirit of the liturgical action.