Laetentur caeli et exsultet

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
024v
Sequence: 
26
Feast: 
Octava Nat. Domini
Office/Mass: 
M
Genre: 
A
Position: 
2.4
Cantus ID: 
003567
Mode: 
4T
Differentia: 
3
Differentia database: 
1--l-k-l-m-k-h--4 T27aA
Addendum: 
P: 049