O mors ero mors tua

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (facsimile)
Folio: 
127
Sequence: 
1
Feast: 
Sabbato Sancto
Office/Mass: 
L
Genre: 
A
Position: 
1
Cantus ID: 
004045
Mode: 
4T
Differentia: 
4
Addendum: 
063v
Manuscript Reading Full Text (standardized spelling): 
O mors ero mors tua morsus tuus ero inferne
Manuscript Reading Full Text (MS spelling): 
O mors ero mors tua morsus tuus ero inferne | Miserere