Nativitas tua dei genetrix

Source: 
Paris, Bibliothèque nationale de France - Département des Manuscrits, NAL 1412
Folio: 
101v
Sequence: 
4
Feast: 
Nativitas Mariae
Office/Mass: 
V
Genre: 
A
Position: 
M
Cantus ID: 
003852
Mode: 
1T
Differentia: 
G1
Differentia database: 
1--m-m-l-k-lm-l--4 T66d