Vidi portam*

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
224r
Sequence: 
18
Feast: 
In Dedicatione Eccl.
Office/Mass: 
M
Genre: 
R
Position: 
2.1
Cantus ID: 
007877
Mode: 
8
Addendum: 
P: 318