We're going beyond barbecue this July 4th with idea from award-winning New York Times food columnist Melissa Clark! "Packin' Up: The Best of Marion Williams," a new collection produced by Anthony Heilbut, showcases her work as a great American artist. Grammy-winning vocalist Irma Thomas on performing with The Allen Toussaint Band at Midsummer Night Swing. Does hair have you in knots? We're untangling it all on today's Please Explain.