Legend claims the St. Gregory The nice (d. 604) heard the main 3 lines chanted by angels on a particular Easter morning in Rome though he walked barefoot in an incredible religious procession and which the saint thereupon additional the fourth line: “Ora Professional nobis Deum. Alleluia.” This Marian hymn https://brooksbinqv.blogzet.com/vita-pro-nobis-secrets-46053276