Ecce quod cupivi jam video

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
076v
Sequence: 
3
Feast: 
Agnetis
Office/Mass: 
M
Genre: 
A
Position: 
3.
Cantus ID: 
002539
Mode: 
4
Differentia: 
4
Differentia database: 
1--h-g-h-j-g-efe--4 30b