Congratulamini mihi omnes qui

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
024v
Sequence: 
31
Feast: 
Octava Nat. Domini
Office/Mass: 
M
Genre: 
R
Position: 
2.2
Cantus ID: 
006322
Mode: 
7
Addendum: 
P: 049