Assertion: percussion instrument | /r/HasProperty | tuned the xylophone
Facets:
Source sentences:
text: Some percussion instruments are tuned and can sound different notes, like the xylophone, timpani or piano, and some are untuned with no definite pitch, like the bass drum, cymbals or castanets.
text: Some percussion instruments are tuned and may sound different notes, such as the xylophone, kettle drum or piano, and some do not have a defined tone, such as the bass drum or cymbals.