Spera in domino et fac

Source: 
Washington, D.C., The Library of Congress - Music Division, M2.1 XI M5
Folio: 
001r
Sequence: 
6
Feast: 
Fer. 2 per annum
Office/Mass: 
M
Genre: 
A
Position: 
1.3
Cantus ID: 
204725
Mode: 
?
Differentia: 
?
Manuscript Reading Full Text (standardized spelling): 
Spera in domino et fac bonitatem
Manuscript Reading Full Text (MS spelling): 
Spera in domino et fac bonitatem | ~Noli emulari | ~Declina