Ait Petrus principibus

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
228r
Sequence: 
1
Feast: 
Petri, Pauli
Office/Mass: 
M
Genre: 
A
Position: 
1.2
Cantus ID: 
001317
Mode: 
2
Differentia: 
1
Differentia database: 
1--f-f-f-e-cd-d--4 152c
Addendum: 
P: 326