“Here is something I’ve always liked,” he answered, turning back to the keyboard. “It is the ‘ Mephisto Walzer ’ of Liszt. He has adapted it himself from his own orchestral score, very ingeniously. It is difficult to render on the organ, but I think you can get the idea of it.” As he spoke he began playing, his head very slightly moving to the rhythm of the piece. At the beginning of each new theme, and without interrupting his playing, he offered a word, of explanation: