Gratias ago deo meo quia

Source: 
Benevento, Archivio Capitolare, V 20
Folio: 
255r
Sequence: 
5
Feast: 
Laurentii
Office/Mass: 
V2
Genre: 
A
Position: 
4
Cantus ID: 
002970
Mode: 
4
Differentia: 
1
Differentia database: 
1--h-hg-h-hjh-g-e--4 15n