In velamento clamabant sancti

Source: 
Chicago, Newberry Library, 24
Folio: 
180v
Sequence: 
7
Feast: 
De Sanctis TP
Office/Mass: 
L
Genre: 
A
Position: 
3
Cantus ID: 
003306
Mode: 
2
Differentia: 
D1
Differentia database: 
1--f-f-f-e-cd-d--4 152c
Extra: 
a