Lux orta est super nos

Source: 
Praha (Prague), Národní knihovna České republiky (National Library), XIV.B.13
Folio: 
027v
Sequence: 
8
Feast: 
Nativitas Domini
Office/Mass: 
P
Genre: 
A
Cantus ID: 
003652
Mode: 
1
Differentia: 
G5
Differentia database: 
1--h-h-g-f-gh-gF--4 66zz
Manuscript Reading Full Text (standardized spelling): 
Lux orta est super nos quia hodie natus est salvator alleluia
Indexing notes: 
"Ad primam" is added in the margin in a later hand;