The word "vibraphonist" is a term used to refer to a musician who plays the vibraphone, a percussion instrument that produces a mellow, resonant sound. There are several synonyms for the word "vibraphonist", which include "xylophonist", "marimbist", "vibraharpist", and "percussionist". Xylophonists are musicians who play the xylophone, a similar percussive instrument to the vibraphone. Marimbists are percussionists who specialize in playing the marimba, a percussion instrument made of wooden bars. Vibraharpists are musicians who specialize in playing the vibraharp, another name for the vibraphone. Finally, percussionists are musicians who play a variety of percussion instruments, including the vibraphone.