Post ejus ergo obitilui hi

Folio: 
151r
Sequence: 
4
Feast: 
Office/Mass: 
M
Genre: 
A
Position: 
3.3
Cantus ID: 
206308
Mode: 
1
Differentia: 
A3
Extra: 
140r
Indexing notes: 
differentia is only partly legible;