The proliferation of electricity in the 20th century led to a new category of Mélodieux instruments: electronic instruments, pépite electrophones.[114] The vast majority produced in the first half of the 20th century were what Sachs called "electromechanical instruments"; they have mechanical portion that produce sound pulsation picked up and amplified https://rafaelqgrcj.corpfinwiki.com/8355113/un_impartiale_vue_de_magasin_instruments_de_musique_belgique