Genre: 
Full text: 
Ecce jam noctis tenuatur umbra lucis aurora rutilans coruscat nisibus totis rogitemus omnes cunctipotentem | Ut deus nostri miseratus omnem pellat angorem tribuat salutem donet et nobis pietate patris regna polorum | Praestet hoc nobis deitas beata patris ac nati pariterque sancti spiritus cujus resonat per omnem gloria mundum
Notes: 
cf. 008297.1 for the 1632 Urban VIII revision of this hymn, which begins the same but has multiple differences
CAO sources: 
S
CAO: 
8297