In aeternum tu nos serva

Source: 
Firenze (Florence), Arcivescovado - Biblioteca, s.c.
Marginalia: 
:
Folio: 
239v
Sequence: 
2
Feast: 
Dominica in estate
Office/Mass: 
M
Genre: 
A
Position: 
1.3
Cantus ID: 
003205
Mode: 
3
Differentia: 
4
Differentia database: 
1--k-k-kj-hj-h-gh--4 102c