O Simplici sancte adjuva nos

Source: 
Fulda, Hessische Landesbibliothek, Aa 55
Folio: 
130v
Sequence: 
3
Feast: 
Simplicii et Soc.
Office/Mass: 
V
Genre: 
A
Cantus ID: 
205619
Mode: 
2
Differentia: 
D1
Differentia database: 
1--f-f-f-f-cd-d--4 150e