Fac deus potentiam in

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
064v
Sequence: 
6
Feast: 
Fer. 4 per annum
Office/Mass: 
V2
Genre: 
A
Position: 
M
Cantus ID: 
002830
Mode: 
7
Differentia: 
3
Differentia database: 
1--l-l-m-l-k-jkJ--4 144o