Quid est quod me quaerebatis

Source: 
Tours, Bibliothèque municipale, 149
Folio: 
120v
Sequence: 
1
Feast: 
Dom. 1 p. Epiphaniam
Office/Mass: 
V2
Genre: 
A
Position: 
M
Cantus ID: 
004521
Mode: 
8
Differentia: 
1
Differentia database: 
1--k-k-j-kj-h-g--4 123a