Quid est hoc quod dicit

Source: 
Cambridge, University Library, Mm.ii.9
Folio: 
258
Sequence: 
4
Feast: 
Dom. 3 p. Pascha
Office/Mass: 
V2
Genre: 
A
Position: 
M
Cantus ID: 
004519
Mode: 
3
Differentia: 
4
Differentia database: 
1--k-k-k-h-k-j--4 96a
Extra: 
1 c