When the Washington Post's Music Critic Paul Hume got back to his office from Constitution Hall one night last week, he addressed himself to an uncomfortable chorecriticizing the President's daughter. He had just heard Margaret Truman's Washington concert. In a sense, it had been a triumphal occasion: the hall had been packed with Washington bigwigs, including both her father and Clement Attlee; Soprano Truman had looked radiant on the stage and had drawn waves of friendly applause.
But Paul Hume, a well-grounded student of music, had come to the widely shared conclusion...