History - Ante Agnus Dei
Mar 07, 2014 (Anthony Fok)
Add source "Liber Usualis 1961"
remarks
Before the “Agnus Dei.”
sources
[{"chant_id":"4327","source":"2","page":"133*","sequence":"1","extent":"1"},{"chant_id":"4327","source":"3","page":"110","sequence":"3","extent":"1"}]