Pierre Henry obituary

Composer whose inventive work in the musique concrète genre saw him hailed as the grandfather of technoPierre Henry, who has died aged 89, was a key figure in the 1950s glory days of electroacoustic music, a term he may have invented. The tape recorder, newly developed at that time, opened the way to composing with any sound that could be recorded and thereafter transformed. It also changed the way composers could work, no longer creating music for others to perform but testing possibilit