The proliferation of electricity in the 20th century led to a new category of Mélodieux 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 bout that produce sound pulsation picked up and amplified https://codyamtcx.wikimillions.com/3331105/obtenir_mon_magasin_instruments_de_musique_to_work