Make sure to click on the recent article by Dr. Charles Weaver, because he links to something remarkable. In essence, it’s a list—written by William Byrd!—regarding why we should sing.
“A much greater source of anxiety to Us is the style of action of those who maintain that liturgical worship should shed its sacred character, who foolishly say we should substitute for sacred items & furnishings ordinary common things in daily use.” —Pope Saint Paul VI (14 Oct 1968)