Melody from source, F-Pnm lat. 15182 concurs 100%, but with modifications of length (virga strata) found in Zw: http://omnigreg.at/wiki/doku.php?id=ant:3836

Recitation on do (calicis) was rectified to si. A quilisma was added following Zw: this is a typical pattern where Fco2 misses them.

Fixed differentia number (differentia unchanged)