Lux orta est super nos

Source: 
Benevento, Archivio Capitolare, V 19
Folio: 
142r
Sequence: 
6
Feast: 
Nativitas Domini
Office/Mass: 
P
Genre: 
A
Cantus ID: 
003652
Mode: 
1
Differentia: 
2
Differentia database: 
1--h-h-g-f-g-hg--4 66e