Apertis thesauris suis

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
028r
Sequence: 
6
Feast: 
Epiphania
Office/Mass: 
L
Genre: 
A
Position: 
3
Cantus ID: 
001447
Mode: 
1
Differentia: 
6a
Differentia database: 
1--h-h-g-f-hG-g--4 57b
Addendum: 
P: 056