Expugna impugnantes me

Folio: 
053v
Sequence: 
3
Office/Mass: 
M
Genre: 
A
Position: 
1.5
Cantus ID: 
002801
Mode: 
1
Finalis: 
E
Differentia-Old: 
A4
Extra: 
042v
Indexing notes: 
differentia is Bflat-A; modal number assigned in MS=1.