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 parts that produce sound vibrations picked up and amplified https://listbell.com/story7421832/obtenir-mon-magasin-instruments-de-musique-belgique-to-work