Et me scitis et unde

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
052r
Sequence: 
15
Feast: 
Fer. 3 Hebd. 4 Quad.
Office/Mass: 
V2
Genre: 
A
Position: 
M
Cantus ID: 
002710
Mode: 
7
Differentia: 
2
Differentia database: 
1--l-l-m-l-k-jk--4 144a
Addendum: 
P: 104