O quam gloriosi sunt

Source: 
Firenze (Florence), Arcivescovado - Biblioteca, s.c.
Folio: 
206v
Sequence: 
2
Feast: 
Syri
Office/Mass: 
V
Genre: 
A
Position: 
M
Cantus ID: 
004062
Mode: 
6T
Differentia: 
1
Differentia database: 
1--m-ml-k-lm-l-k--4 T69i