History - Nunc Sancte nobis (In Feriis per Annum)
Jun 05, 2025 (xmarteo)
Added Liber Antiphonarius source
sources
[{"chant_id":"2578","source":"3","page":"519","sequence":"1","extent":"1"},{"chant_id":"2578","source":"48","page":"84","sequence":"1","extent":"1"}]