Cum autem sero factum esset

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
106r
Sequence: 
4
Feast: 
Hebd. Septuagesimae
Office/Mass: 
X
Genre: 
A
Position: 
1
Cantus ID: 
001989
Mode: 
8
Differentia: 
1
Differentia database: 
1--k-k-j-k-h-g--4 118a