Cantantibus organis V Biduanis ac triduanis
Feast: S. Cæciliæ Virginis et Martyris
Office_part: re
Submitter: marteo
Comments
Gregofacsimil + neumes from H + rsigns according to H. Verse from H.
cf. pull request: https://github.com/Nocturnale-Romanum/nocturnale-romanum/pull/193