Felix namque es beata virgo

Source: 
Paris, Bibliothèque nationale de France - Département des Manuscrits, Latin 15182
Folio: 
345r
Sequence: 
5
Feast: 
Nativitas Mariae
Office/Mass: 
V
Genre: 
A
Position: 
4
Cantus ID: 
002860
Mode: 
4
Differentia: 
1
Differentia database: 
1--h-g-h-jh-gf-e--4 19a