Factum est ut quaedam

Source: 
Vorau, Stiftsbibliothek, 287 (olim XXIX)
Folio: 
124r
Sequence: 
3
Feast: 
Petri, Pauli
Office/Mass: 
V
Genre: 
A
Position: 
4
Cantus ID: 
002844
Mode: 
4
Differentia: 
1a
Differentia database: 
1--h-g-h-k-g-e--4 41a