Qui post me venit ante me

Folio: 
011r
Sequence: 
4
Office/Mass: 
L
Genre: 
A
Position: 
B
Cantus ID: 
004493
Mode: 
4T
Differentia: 
G1
Manuscript Reading Full Text (standardized spelling): 
Qui post me venit ante me factus est cujus non sum dignus calceamenta solvere