Maria virgo semper laetare

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
241v
Sequence: 
28
Feast: 
Assumptio Mariae
Office/Mass: 
V2
Genre: 
A
Cantus ID: 
003708
Mode: 
7
Differentia-Old: 
1
Addendum: 
P: 353
Manuscript Reading Full Text (standardized spelling): 
Maria virgo semper laetare