Assertion: violin's string | /r/HasProperty | tightened
Facets:
Source sentences:
text: The strings of the violin are tightened or loosened to produce the right note by the pegs and the fine tuners.
text: The remaining strings, which were tightened and loosened with metal harp wrest-pins and a tuning key or wrench, were usually bowed with a horsehair and wood bow.
text: The construction and maintenance of Western stringed instruments generally have been complicated over the centuries by a continual rise in standard pitch, requiring strings to be tightened.