Dixit dominus deus non est

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
036v
Sequence: 
3
Feast: 
Dom. Septuagesimae
Office/Mass: 
M
Genre: 
R
Position: 
2.3
Cantus ID: 
006473
Mode: 
5
Addendum: 
P: 073