The celebrated French composer Pierre Henry was among the pivotal forces behind the development of musique concrète, becoming the first formally educated musician to devote his energies to the electronic medium. Born in Paris on December 9, 1927, he began training at the Paris Conservatoire at the age of ten, studying piano under Nadia Boulanger and percussion under Felix Passerone while also attending the classes of Olivier Messiaen. Still, Henry had little regard for traditional musical instruments, preferring instead to experiment privately with non-musical sound sources; o...