Mel et lac ex ejus

Folio: 
080r
Sequence: 
1
Feast: 
Office/Mass: 
M
Genre: 
R
Position: 
3.3
Cantus ID: 
007141
Mode: 
1?
Finalis: 
F
Extra: 
053r
Indexing notes: 
Final appears to be F, but the verse tone recites on G and A;