Ecce mitto angelum meum qui

Source: 
Albi, Bibliothèque municipale Rochegude, 44
Folio: 
057v
Sequence: 
16
Feast: 
Hebd. 1 Adventus
Office/Mass: 
X
Genre: 
A
Position: 
10
Cantus ID: 
002525
Mode: 
*
Extra: 
e0039