Serve bone et fidelis quia

Source: 
Aosta, Seminario Maggiore - Biblioteca, 6
Folio: 
131v
Sequence: 
2
Feast: 
Comm. unius Confessoris
Office/Mass: 
L
Genre: 
A
Position: 
B
Cantus ID: 
004872
Mode: 
4
Differentia: 
E5
Differentia database: 
1--h-g-h-jH-gf-e--4 34a