A percussion instrument consisting of a set of metal bars which are sounded by being struck with a hammer. Each bar produces a specific tone. The bars are arranged in the same manner as a piano keyboard, and thus the glockenspiel is fully chromatic. The range is from g'' to c''''' and sounds two octaves higher than written.Also see bell lyre; orchestra bells.<br><br>An instrument that contains tuned metal bars mounted on a rectangular frame. The glockenspiel is played with mallets.