Ecce video caelos apertos et

Source: 
Valenciennes, Bibliothèque municipale, 114
Folio: 
018v
Sequence: 
11
Feast: 
Stephani
Office/Mass: 
L
Genre: 
A
Position: 
4
Cantus ID: 
002554
Mode: 
4T
Differentia: 
1
Differentia database: 
1--l-k-l-m-k-hk--4 T31a