Descendit angelus domini ad

Source: 
Rouen, Bibliothèque municipale, 248 (olim A. 339)
Marginalia: 
L
Folio: 
030v
Sequence: 
13
Feast: 
Vig. Joannis Bapt.
Office/Mass: 
L
Genre: 
A
Cantus ID: 
002156
Mode: 
7
Differentia: 
A1
Differentia database: 
1--l-l-m-l-k-jh--4 143b