Scholars agree that there are no completely reliable methods of determining the exact chronology of musical instruments across cultures. Comparing and organizing instruments based je their complexity is misleading, since advancements in musical instruments have sometimes reduced complexity. Musical instruments are also often classified by their musical range in comparison https://www.indiemusicshop.be/magasin-equipement-sonore-waterloo-belgique-vente-en-ligne-bruxelles-instruments-de-musique