Angelorum esca nutrivisti

Folio: 
402r
Sequence: 
4
Office/Mass: 
L
Genre: 
A
Position: 
2
Cantus ID: 
200280
Mode: 
2
Differentia-Old: 
?
Extra: 
190r
Indexing notes: 
The first two pitches appear to be present, but not the rest on the next line.