NASHVILLE, Tenn. – Country music icon T.G. Sheppard and acclaimed singer-songwriter/author Kelly Lang graced the stage of TBN’s HUCKABEE this past weekend, delivering a captivating performance of their festive duet, “Christmas In Mexico.” Timed perfectly for the holiday season, this lively and spirited song, penned by T.G. Sheppard and Kelly Lang, invites listeners to embark on a musical journey celebrating the joy of …