"Who am I?' you mean." He smiled at the question and gave what was at first glance a most oblique answer. "Do you know what a fugue is?" "Are you changing the subject?" "No." I thought in silence for some distance before his answer arranged itself sensibly in my mind. "I see. Two discrete sections of a fugue may not appear related, unless the listener has received the entire work, at which time the music's internal logic makes clear the relationship." "A conversation with you is most invigorating, Russell."