The proliferation of electricity in the 20th century led to a new category of musical instruments: electronic instruments, or electrophones.[114] The vast majority produced in the first half of the 20th century were what Sachs called "electromechanical instruments"; they have mechanical ration that produce sound martèlement picked up and amplified https://edwinpsvxy.thecomputerwiki.com/4989332/examiner_ce_rapport_sur_la_magasin_instruments_de_musique_belgique