Music: B-z-z! Br-a-ang! Br-a-ack!

B-z-z-! Br-a-ang! Br-a-ack

Venice was also host last week to the world's most avant-garde explosion of pure sound—the first International Congress of Experimental Music. At daylong sessions, the audience settled down amid a welter of wires, loudspeakers and amplifiers to listen to the booms, moans, zips and roars that to some ears constitute the musical language of the future.

In general, the future can be heard in our categories: 1) the musique concrète of French Composer Pierre Schaeffer and his followers, consisting of natural sounds taped and glued together in unnatural order; 2) the electronic music favored by German composers, which abandons natural...