Pierre Schaeffer's In Search of a Concrete Music ( la recherche d'une musique concr te) has long been considered a classic text in electroacoustic music and sound recording. Now Schaeffer's pioneering work--at once a journal of his experiments in sound composition and a treatise on the raison d' tre of "concrete music"--is available for the first time in English translation. Schaeffer's theories have had a profound influence on composers working...