The harp has a very ancient origin: it derives from the so-called bow, the first to use the harp were the Sumerians in the 3rd millennium BC[1] In Egypt, the depictions on monuments dating back to the Old Kingdom describe medium-sized instruments, about one meter high, equipped with six or eight strings, formed thanks to an arched wooden shaft, having the lower end in the shape of a lozenge, partially concave and convex; the player appears crouched or kneeling....