Quare frement pericula quia

Source: 
Vorau, Stiftsbibliothek, 287 (olim XXIX)
Folio: 
189r
Sequence: 
3
Feast: 
Eustachii
Office/Mass: 
M
Genre: 
A
Position: 
1.2
Cantus ID: 
204071
Mode: 
2
Differentia: 
1b
Differentia database: 
1--f-f-f-f-cd-d--4 150e