Ecce jam in sublime agor

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
078r
Sequence: 
7
Feast: 
Vincentii
Office/Mass: 
M
Genre: 
A
Position: 
2.2
Cantus ID: 
002518
Mode: 
1
Differentia: 
8
Differentia database: 
1--h-h-g-f-g-ghG--4 64u