Dum recorder qualis in

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
095r
Sequence: 
3
Feast: 
Gregorii
Office/Mass: 
M
Genre: 
A
Position: 
2.4
Cantus ID: 
201433
Mode: 
8
Differentia: 
1
Differentia database: 
1--k-k-j-k-h-g--4 118a