Within the classical framework, I find it difficult to appreciate fully more recent music, beginning from Schoenberg and atonal music, through avant-garde, musique concrète and electronic music. Strange enough I have great trouble with anything discordant. In Darmstadt , Germany, there is a regular festival of modern music featuring pieces by all the famous modern composers, and I have twice been invited to give sitar recitals there. If I arrive at such a venue one day before my performance, I always make a point of listening to what is going on. On those two occasions in Darmstadt, and at least two other times since, I have noticed that I develop a peculiar problem. It is mystifying how it happens, but I find that when I start hearing those strange sounds or discordant combinations, within a few minutes I feel a stomach cramp, and from stomach cramp I develop a terrible headache and nausea. At first I thought these physical effects were coincidental, and that my suffering was due to ...