O beati martyres qui vicerunt

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
253v
Sequence: 
21
Feast: 
Cosmae, Damiani
Office/Mass: 
M
Genre: 
R
Position: 
3.4
Cantus ID: 
601539
Mode: 
1
Addendum: 
P: 377