Assertion: harpsichord's keyboard | /r/HasProperty | put in front of the other
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Source sentences:
text: Also, harpsichords can have two sets of strings that produce somewhat different sounds, either in timbre - for different kind of sound - or pitch - for transposition - which can be played independently from one another on two keyboards which are put one in front of the other, or at the same time - for a fuller sound - enganging a mechanism that joins the strings together.