O Petre pastor summe et

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
227v
Sequence: 
27
Feast: 
Petri, Pauli
Office/Mass: 
V
Genre: 
A
Position: 
1
Cantus ID: 
004053
Mode: 
1
Differentia: 
1
Differentia database: 
1--h-h-g-f-gh-g--4 66d
Addendum: 
P: 325