Facta est cum angelo

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
033r
Sequence: 
2
Feast: 
Nativitas Domini
Office/Mass: 
L
Genre: 
A
Position: 
4
Cantus ID: 
002836
Mode: 
7
Differentia: 
2
Differentia database: 
1--l-l-m-l-lk-l--4 147c