Blog Preston Hollow Court Yard Hounds Play ‘Late Show’ July 22, 2013 Dan Koller 0 Comments Greenhill In case you missed it, Greenhill graduates Emily Robison and Martie Maguire — who used to be Dixie Chicks but are now Court Yard Hounds — performed on the Late Show with David Letterman last week. Share this article...EmailFacebookGoogleTwitterLinkedin