O magnum pietatis opus mors

Source: 
Paris, Bibliothèque nationale de France - Département des Manuscrits, Latin 1090
Folio: 
164r
Sequence: 
10
Feast: 
Inventio Crucis
Office/Mass: 
M
Genre: 
A
Position: 
1
Cantus ID: 
004035
Mode: 
7
Differentia: 
C
Differentia database: 
1--l-l-m-l-k-jk--4 144a
Manuscript Reading Full Text (standardized spelling): 
O magnum pietatis opus mors mortua tunc est quando in ligno mortua vita fuit alleluia
Manuscript Reading Full Text (MS spelling): 
O magnum pietatis opus mors mors tua tunc est quando in ligno mortua vita fuit alleluia | Domine dominus