O quam venerandus es egregie

Source: 
Tours, Bibliothèque municipale, 149
Folio: 
442v
Sequence: 
1
Feast: 
Suff. Martini
Office/Mass: 
V
Genre: 
A
Position: 
7M
Cantus ID: 
004071
Mode: 
2
Differentia: 
1a
Differentia database: 
1--f-f-ed-fe-c-d--4 156a