Assertion: marimba's bar | /r/HasProperty | tuned to javanese pentatonic scale
Facets:
value: by the deliberate chipping
type: CAUSE
value: perfectly
type: DEGREE
Source sentences:
text: The bars of this marimba-like instrument, which range from 40 to 26 inches in length, were perfectly tuned to a Javanese pentatonic scale by the deliberate chipping and flaking of some ancient instrument maker.