"Martina McBride: Live in Concert" premieres in March 2008 on PBS' GREAT PERFORMANCES series. (check local listings)The real appeal of country music comes from just one place - the heart - and no one knows that better than Martina McBride. Recorded in September 2007 at Moline, Illinois' i wireless Center, before a sea of screaming fans, the concert spotlights McBride's latest album, Waking Up Laughing (RCA), as well as some personal favorites from her 2005 Timeless album.GREAT PERFORMANCES is produced for PBS by Thirteen/WNET New York.For more information, visit www.pbs.org/gperf