Tunc erumpet quasi mane lumen

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
111r
Sequence: 
10
Feast: 
Fer. 5 post Cineres
Office/Mass: 
S
Genre: 
A
Cantus ID: 
205013
Mode: 
1
Differentia: 
3
Differentia database: 
1--h-h-g-f-gh-gf--4 69b