Assertion: marimba's key | /r/MadeOf | wood
Facets:
value: usually
type: TEMPORAL
value: as xylophones
type: OTHER
value: like the marimba
type: OTHER
Source sentences:
text: Like the marimba, its keys are made of wood and it has no sustain pedal or motorized "vibrato"-discs.
text: The keys made of the same wood as xylophones, but it's cut differently to sound more mellow.
text: Keys or bars (usually made of wood) are struck with mallets to produce musical tones.