“Liber Usualis” • Jeff’s Proposed Modifications
In 1957, the Abbey of Solesmes publicly claimed copyright over “the rhythmic signs 𝗮𝗻𝗱 𝘁𝗵𝗲 𝗿𝗵𝘆𝘁𝗵𝗺 𝘁𝗵𝗲𝘆 𝗿𝗲𝗽𝗿𝗲𝘀𝗲𝗻𝘁.”
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.”