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 ration that produce sound martèlement picked up and amplified https://thesocialdelight.com/story3147468/5-faits-simples-sur-la-magasin-instruments-de-musique-d%C3%A9crite