“No Propers? No High Mass!” — 1933 Article
“…at these High Masses, the choir omits the Gloria, Credo, Gradual, Tract and Sequence.” — Answer: “The method is an abuse and must be done away with.”
Pope Saint Paul VI (3 April 1969): “Although the text of the Roman Gradual—at least that which concerns the singing—has not been changed, the Entrance antiphons and Communions antiphons have been revised for Masses without singing.”