Dum perambularet dominus

Folio: 
002r
Sequence: 
2
Feast: 
Office/Mass: 
M
Genre: 
R
Position: 
1.1
Cantus ID: 
006554
Mode: 
4
Indexing notes: 
the large initial D (for "Dum") appears to have been cut out, and a plain patch is in its place;