As a tribute for today’s holiday, we feature our album “Testament” and the Turtle Creek Chorale ensemble. While reading the liner notes you will find these songs speak the same sentiments of hope for our nation that Martin Luther King Jr. embodied in his life. John Ardoin, Dallas Morning NewsTestament – Introduction “I hear America singing” wrote Walt Whitman But what was the song he heard? A New England carol, a southern spiritual, an Appalachian…