Dabit illi dominus deus sedem

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
217r
Sequence: 
15
Feast: 
Annuntiatio Mariae
Office/Mass: 
M
Genre: 
R
Position: 
2.3
Cantus ID: 
006390
Mode: 
4
Addendum: 
P: 302