Ecce merces*

Source: 
Valenciennes, Bibliothèque municipale, 114
Folio: 
131r
Sequence: 
6
Feast: 
Cyrici
Office/Mass: 
M
Genre: 
A
Position: 
2.3
Cantus ID: 
002524
Mode: 
4
Differentia: 
3
Differentia database: 
1--h-h-h-h-hh-g--4 10c