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glockenspiel vs. xylophone

glockenspiel

[glok-uhn-speel, -shpeel] / ˈglɒk ənˌspil, -ˌʃpil /

noun

a musical instrument composed of a set of graduated steel bars mounted in a frame and struck with hammers, used especially in bands.

xylophone

[zahy-luh-fohn] / ˈzaɪ ləˌfoʊn /

a musical instrument consisting of a graduated series of wooden bars, usually sounded by striking with small wooden hammers.