Visionem quam vidistis*

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
310r
Sequence: 
9
Feast: 
Additamenta
Office/Mass: 
X
Genre: 
A
Position: 
7
Cantus ID: 
005465
Mode: 
1
Differentia: 
4
Differentia database: 
1--h-h-g-f-gh-g--4 66d