Hodie illuxit nobis laetus

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
229v
Sequence: 
2
Feast: 
Petri, Pauli
Office/Mass: 
P
Genre: 
A
Cantus ID: 
003102
Mode: 
1
Differentia: 
9
Differentia database: 
1--h-h-g-f-g-gfedf--4 293a
Addendum: 
P: 329