O quantus luctus hominum

Source: 
Firenze (Florence), Arcivescovado - Biblioteca, s.c.
Folio: 
191v
Sequence: 
8
Feast: 
Martini
Office/Mass: 
E
Genre: 
A
Position: 
1
Cantus ID: 
004074
Mode: 
2
Differentia: 
1
Differentia database: 
1--f-f-f-e-cd-d--4 152c