Occurrit beato Joanni ab

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
019v
Sequence: 
1
Feast: 
Joannis Evang.
Office/Mass: 
M
Genre: 
A
Position: 
1.6
Cantus ID: 
004105
Mode: 
6T
Differentia: 
1a
Differentia database: 
1--m-m-k-lm-lK-k--4 T7eB
Addendum: 
P: 039