Crastina die delebitur

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
013r
Sequence: 
8
Feast: 
Vigilia Nat. Domini
Office/Mass: 
L
Genre: 
A
Position: 
3
Cantus ID: 
001940
Mode: 
4T
Differentia: 
3a
Differentia database: 
1--l-k-l-m-kJ-h--4 T27e
Addendum: 
P: 026