Quis es tu qui venisti

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
202v
Sequence: 
33
Feast: 
Agathae
Office/Mass: 
M
Genre: 
R
Position: 
1.3
Cantus ID: 
007499
Mode: 
8
Addendum: 
P: 273