Christus natus est*

Folio: 
028v
Sequence: 
13
Office/Mass: 
M
Genre: 
I
Cantus ID: 
001055
Mode: 
?
Differentia-Old: 
*
Indexing notes: 
Rubric: 'In primam feriam per festum Innocentium'; musical incipit does NOT match f.020v13, but it does match f.031v07;