On the Ninth Day of Christmas…

O magnum mysterium is a responsorial chant from the Matins prayer service for Christmas.  Listen HERE.

It is translated:

O great mystery,
and wonderful sacrament,
that animals should see the newborn Lord,
lying in a manger!
Blessed is the virgin whose womb
was worthy to bear
the Lord, Jesus Christ.
Alleluia!

Just in case you missed any days: