Ecce ego Joannes vidi ostium

Source: 
Cambridge, University Library, Mm.ii.9
Folio: 
544
Sequence: 
7
Feast: 
Matthaei
Office/Mass: 
V
Genre: 
A
Position: 
M
Cantus ID: 
002511
Mode: 
1
Differentia: 
5
Differentia database: 
1--h-h-g-f-g-gfed--4 75d
Extra: 
4