Cantus Sanctus: The Mystery of Gregorian Chant

Cantus Sanctus: The Mystery of Gregorian Chant: "Chant heard day in and day out, then, would not have become boring or tedious because the four different styles of chant would require the use of four different modes of thought. Also, many chants contain a mixture of word-music relationships, and some are performed in cantor/response style, which offers further variety. Perhaps the different styles of chant correspond to different areas of the brain, so that the change from one style to another stimulates a different brain function. The result is that chant continues to be refreshing, even stimulating, to the listener"