In principio et ante saecula

Source: 
Vorau, Stiftsbibliothek, 287 (olim XXIX)
Folio: 
015r
Sequence: 
1
Feast: 
Nativitas Domini,8
Office/Mass: 
P
Genre: 
A
Cantus ID: 
003273
Mode: 
8
Differentia: 
1b
Differentia database: 
1--k-k-j-k-h-g--4 118a