Ecce quam bonum et quam

Source: 
Arras, Bibliothèque municipale, 893 (olim 465)
Folio: 
092v
Sequence: 
10
Feast: 
Fer. 3 per annum
Office/Mass: 
V2
Genre: 
A
Position: 
4
Cantus ID: 
002537
Mode: 
1
Differentia: 
2
Differentia database: 
1--h-h-h-h-g-h--4 11b