Tertio Christum Petrus quem

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
205r
Sequence: 
10
Feast: 
Cathedra Petri
Office/Mass: 
M
Genre: 
A
Position: 
2.5
Cantus ID: 
204906
Mode: 
3
Differentia: 
1a
Differentia database: 
1--k-k-kj-hj-hG-g--4 101i
Addendum: 
P: 278