Praeceptor per totam noctem

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
186r
Sequence: 
4
Feast: 
Dom. 3 p. Pent.
Office/Mass: 
V2
Genre: 
A
Position: 
2M
Cantus ID: 
004356
Mode: 
1
Differentia: 
2
Differentia database: 
1--h-h-g-f-gh-gg--4 66i