Related Program: The X The Thistle And Shamrock: Gaelic Voices By editor • Oct 9, 2013 Related Program: The X ShareTweetEmail Left to right: Martin Green, Kris Drever and Aidan O'Rourke of Lau. David Angel / Courtesy of the artist Originally published on October 12, 2016 9:05 am Explore the branches of contemporary song sprouting from the roots of ancient vocal traditions.Copyright 2018 NPR. To see more, visit http://www.npr.org/. ShareTweetEmailView the discussion thread.