The vibraphone is a musical instrument that is known for its melodic and resonant tones. Synonyms for this beautiful instrument include the xylophone, marimba, and glockenspiel. These instruments are all part of the percussion family and produce similar sounds, but they differ in their construction and playing style. The xylophone has wooden bars that are struck with mallets. The marimba has larger wooden bars and is played with softer mallets. The glockenspiel has metal bars that are struck with a hammer-like mallet. Each of these instruments has its unique sound, but all are guaranteed to produce beautiful music when played.