Occurrit beato Joanni ab

Source: 
Aachen (Aix-la-Chapelle), Domarchiv, G 20
Folio: 
035r
Sequence: 
3
Feast: 
Joannis Evang.
Office/Mass: 
M
Genre: 
A
Position: 
2.3
Cantus ID: 
004105
Mode: 
6T
Differentia: 
G2
Extra: 
024r
Indexing notes: 
differentia is "e-e-c-de-d-?";