Ego sum lux mundi qui

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
052v
Sequence: 
8
Feast: 
Sabb. Hebd. 4 Quad.
Office/Mass: 
L
Genre: 
A
Position: 
B
Cantus ID: 
002592
Mode: 
1
Differentia: 
2
Differentia database: 
1--h-h-g-f-g-gfed--4 75d
Addendum: 
P: 105