The orchestra consists of approximately nine or ten instruments, mainly wind and percussion (including several varieties of xylophone and drums).
en.wikipedia.org While guitar was his principal instrument, he also played violin (drawing on his classical training), bass guitar, piano and xylophone.
en.wikipedia.org Plum is noted for using unusual sounds in his songs, such as dripping water, a goat, toy pianos, baby rattles, and plastic xylophones.
en.wikipedia.org In the past, marching timpani were common before the adoption of the front ensemble, as were marching keyboard percussion instruments such as glockenspiels and xylophones.
en.wikipedia.org More complicated add-ons, such as jumps, loops, trampolines, xylophone ramps and electronic triggers are also typical with more complex sets.
en.wikipedia.org