Ecce ego mitto vos sicut

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
270v
Sequence: 
14
Feast: 
Comm. Apostolorum
Office/Mass: 
M
Genre: 
R
Position: 
1.1
Cantus ID: 
006588
Mode: 
7
Addendum: 
P: 411