Feast: Commune Apostolorum extra T.P.
Office_part: an
Cantus ID: 001429
Status: SELECTED
Critical melody at http://www.omnigreg.at/wiki/doku.php?id=ant:1702 but kept Sandhofe's option to not print the liquescence at the end of "annuntiaverunt", backed up by some mss.
Added differentia