Ecce quam bonum et quam

Source: 
Valenciennes, Bibliothèque municipale, 114
Folio: 
033v
Sequence: 
22
Feast: 
Fer. 3 per annum
Office/Mass: 
V2
Genre: 
A
Position: 
4
Cantus ID: 
002537
Mode: 
1
Differentia: 
3
Differentia database: 
1--h-h-g-f-g-h--4 64b