Ipsi vero in vanum

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
058v
Sequence: 
4
Feast: 
Fer. 4 Maj. Hebd.
Office/Mass: 
L
Genre: 
A
Position: 
3
Cantus ID: 
003408
Mode: 
2
Differentia: 
1
Differentia database: 
1--f-f-f-e-cd-d--4 152c
Addendum: 
P: 117