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 battement picked up and amplified https://hectorizlwf.theideasblog.com/29377393/la-règle-2-minutes-pour-magasin-instruments-de-musique-belgique