Lux orta est*

Folio: 
028v
Sequence: 
68
Office/Mass: 
M
Genre: 
A
Position: 
3.2
Cantus ID: 
003651
Mode: 
?
Differentia-Old: 
*
Indexing notes: 
cf. f.167v04 (?) - musical incipit matches this closer than f. 022v11;