They would be called percussionist.
A "harmonicanist" is what a person who plays the harmonica is called.
accordionist
The xylophone band plays a variety of music genres, including classical, jazz, and popular music.
a harminists a harminists
antonym of xylophone
A Percussionist. "Tambourinist" is also a valid term for someone who specialises in the tambourine.
A xylophonist is someone who plays the xylophone.
A "harmonicanist" is what a person who plays the harmonica is called.
A person who plays Scrabble is called a Scrabbler. (unofficially)
A drummer or percussionist plays the drums.
accordionist
Guitarist
harpist
a cymbalist
guitarist
A saxophonist.
a baritonist