Gregorian chant for Advent St. Elizabeth Ann Seton Church Posted on December 21, 2014 by SEASDecember 20, 2014 From: Catholic News Service Gregorian Chant for Advent, courtesy of a group of U.S. Benedictine nuns. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)