Labels:airplane | armchair | bench | car | chair | concert grand | earth | grand piano | ottoman | piano | poster | seat | sky | stool | tree | windowpane OCR: The KEYBOARD family OF THE INSTRUMENTS in this familv are linked bx one feature: the keyl board. When the keys ar depressed the instrument produces irs sound However the ways in which sound generated varies greatly: pianos have strings pipe organs use air SYNTHESIZERS and the synthesizer work using electronics HARPSICHORDS PLANOS CRGANS gans
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