The proliferation of electricity in the 20th century led to a new category of musical 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 coup picked up and amplified https://www.indiemusicshop.be/boutique-materiel-sonorisation-waterloo-shop-vente-en-ligne-bruxelles-belgique