Datum est opus eorum in

Source: 
Arras, Bibliothèque municipale, 893 (olim 465)
Folio: 
451v
Sequence: 
5
Feast: 
Matthaei
Office/Mass: 
L
Genre: 
A
Position: 
5
Cantus ID: 
002103
Mode: 
7
Differentia: 
3
Differentia database: 
1--l-l-lm-l-l-kl--4 147q