Erant autem apostoli

Source: 
Firenze (Florence), Arcivescovado - Biblioteca, s.c.
Folio: 
184v
Sequence: 
3
Feast: 
Simonis, Judae
Office/Mass: 
V2
Genre: 
A
Position: 
M
Cantus ID: 
201567
Mode: 
7T
Differentia: 
3
Differentia database: 
1--g-g-h-g-f-ed--4 T143bA