Sancte Gregori confessor

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
095r
Sequence: 
5
Feast: 
Gregorii
Office/Mass: 
M
Genre: 
A
Position: 
2.6
Cantus ID: 
004717
Mode: 
2
Differentia: 
1
Differentia database: 
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