Continet in gremio caelum

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
025r
Sequence: 
7
Feast: 
Octava Nat. Domini
Office/Mass: 
M
Genre: 
R
Position: 
3.2
Cantus ID: 
006333
Mode: 
8
Addendum: 
P: 050