O quam suavis est domine

Source: 
Dubrovnik, Franjevački Samostan (Franciscan Monastery), Cod. F Nr. 6
Folio: 
117r
Sequence: 
3
Feast: 
Corporis Christi
Office/Mass: 
V
Genre: 
A
Position: 
M
Cantus ID: 
203554
Mode: 
6
Differentia: 
F1
Differentia database: 
1--h-h-f-gh-g-f--4 7a
Indexing notes: 
the differentia looks to have been rewritten; was it 5.A1?;