Ad festa pretiosi martyris
Folio:
255v
Sequence:
1
Feast:
Office/Mass:
V
Genre:
A
Cantus ID:
206157
Mode:
4
Differentia:
E1?
Extra:
042v
Indexing notes:
Differentia is close to E1, but has what appears to be an F tractulus as the last note.
Image link:
