Plangent se super se omnes

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
284r
Sequence: 
9
Feast: 
Pro defunctis
Office/Mass: 
M
Genre: 
V
Position: 
02
Cantus ID: 
007091rc
Mode: 
2S
Addendum: 
P: 438