Ex quo facta est vox

Source: 
Paris, Bibliothèque nationale de France - Département des Manuscrits, NAL 1535
Folio: 
016r
Sequence: 
4
Feast: 
Fer. 6 Hebd. 4 Adv.
Office/Mass: 
L
Genre: 
A
Position: 
B
Cantus ID: 
002750
Mode: 
4T
Differentia: 
3
Differentia database: 
1--m-m-m-m-m-l--4 T10bA