This rare video footage of President Richard Nixon meeting with Pope Paul VI was taken by John Ehrlichman on one of those “home video” reels so common in the 1970s:
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.”