Miserere domine populo tuo

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
089v
Sequence: 
4
Feast: 
De Esther
Office/Mass: 
M
Genre: 
R
Position: 
2
Cantus ID: 
007159
Mode: 
2T
Addendum: 
P: 179