Missus est*

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
216v
Sequence: 
14
Feast: 
Annuntiatio Mariae
Office/Mass: 
M
Genre: 
A
Position: 
1.1
Cantus ID: 
003794
Mode: 
*
Addendum: 
P: 301