Libera me ab his qui

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
053v
Sequence: 
6
Feast: 
Dom. de Passione
Office/Mass: 
M
Genre: 
V
Position: 
01
Cantus ID: 
007851a
Mode: 
2
Addendum: 
P: 107