Quae est ista quae ascendit

Source: 
Cambridge, University Library, Mm.ii.9
Folio: 
499
Sequence: 
9
Feast: 
Assumptio Mariae
Office/Mass: 
L
Genre: 
A
Position: 
B
Cantus ID: 
004425
Mode: 
1
Differentia: 
9
Differentia database: 
1--h-h-g-f-gh-gh--4 67c