Vigilate animo in proximo est

Source: 
Paris, Bibliothèque nationale de France - Département des Manuscrits, NAL 1535
Folio: 
015v
Sequence: 
3
Feast: 
Fer. 5 Hebd. 4 Adv.
Office/Mass: 
L
Genre: 
A
Position: 
1B
Cantus ID: 
005418
Mode: 
4
Differentia: 
1
Differentia database: 
1--h-g-h-kh-gf-e--4 37a