Assertion: piano's keyboard | /r/CapableOf | set along long side
Facets:
Source sentences:
text: The square piano (not truly square, but rectangular) was cross strung at an extremely acute angle above the hammers, with the keyboard set along the long side.
text: The square piano (not truly square, but rectangular) was cross strung at an extremely acute angle above the hammers, with the keyboard set along the long side.