Si ego verus Christi servus

Source: 
Firenze (Florence), Arcivescovado - Biblioteca, s.c.
Folio: 
046v
Sequence: 
8
Feast: 
Fabiani, Sebastiani
Office/Mass: 
E
Genre: 
A
Position: 
2
Cantus ID: 
004891
Mode: 
6
Differentia: 
1
Differentia database: 
1--h-hg-f-gh-g-f--4 69i