Custodi me a laqueo quem

Source: 
Cambridge, University Library, Mm.ii.9
Folio: 
222
Sequence: 
4
Feast: 
Fer. 5 in Cena Dom.
Office/Mass: 
V2
Genre: 
A
Position: 
4
Cantus ID: 
002082
Mode: 
7
Differentia: 
1
Differentia database: 
1--l-l-m-l-k-jh--4 143b
Extra: 
8