History - Lumen ad revelationem (c4 clef)
Jan 18, 2022 (Jacques Perriere)
Liber Antiphonarius page 620 extends over 2 pages
sources
[{"chant_id":"1846","source":"3","page":"1366","sequence":"4","extent":"1"},{"chant_id":"1846","source":"48","page":"620","sequence":"4","extent":"12"}]