Tu mandasti domine mandata tua

Folio: 
091
Sequence: 
9
Office/Mass: 
P
Genre: 
A
Cantus ID: 
005214
Mode: 
7
Differentia: 
yb
Manuscript Reading Full Text (standardized spelling): 
Tu mandasti domine mandata tua custodire nimis
Manuscript Reading Full Text (MS spelling): 
Tu mandasti domine mandata tua custodire nimis
Indexing notes: 
differentia traced over by a later hand?