O decus virginitatis virgo

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
243r
Sequence: 
12
Feast: 
Assumptio Mariae
Office/Mass: 
M
Genre: 
R
Position: 
2.4
Cantus ID: 
601561
Mode: 
1
Addendum: 
P: 356