Lux orta est super nos

Source: 
Firenze (Florence), Arcivescovado - Biblioteca, s.c.
Folio: 
024v
Sequence: 
5
Feast: 
Nativitas Domini
Office/Mass: 
E
Genre: 
A
Position: 
1
Cantus ID: 
003652
Mode: 
1
Differentia: 
6
Differentia database: 
1--h-h-g-f-gh-ggfed--4 72f