Unus ex duobus qui secuti

Source: 
Cambridge, University Library, Mm.ii.9
Folio: 
345
Sequence: 
1
Feast: 
Andreae
Office/Mass: 
V
Genre: 
A
Cantus ID: 
005279
Mode: 
1
Differentia: 
1
Differentia database: 
1--h-h-g-f-gh-g--4 66d
Extra: 
1 a