Nativitas gloriosae virginis

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
247v
Sequence: 
10
Feast: 
Nativitas Mariae
Office/Mass: 
M
Genre: 
R
Position: 
1.5
Cantus ID: 
007198
Mode: 
1
Addendum: 
P: 365