We look forward to seeing the photograph, Diane. In the meantime, here is a square piano for you to play followed by some additional collections of musical instruments in other parts of the world:


An ingenious craftsman but an unlucky businessman, Alpheus Babcock invented the one-piece iron frame, one of America's chief contributions to piano development. The iron frame allowed for larger, more stable instruments that could produce bigger sounds. This instrument is one of two known Babcock pianos with an iron frame.
Photo and caption from National Museum of American History: Music & Musical Instruments
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Accademia Nazionale di Santa Cecilia Musical Instruments Museum (MUSA) in Rome, Italy
Bate Collection in Oxford, UK
Berlin Musical Instrument Museum in Berlin, Germany
Galleria Borghese in Rome, Italy
Museum of Fine Arts Musical Instrument Collection in Boston, Massachusetts, USA
Wikipedia: Gurminj Museum of Musical Instruments in Dushanbe, Tajikistan
Museum of Making Music in Carlsbad, California, USA
Museum of Greek Popular Instruments in Athens, Greece
National Music Museum in Vermillion, South Dakota, USA
National Museum of American History: Music & Musical Instruments
Schubert Club Museum in Saint Paul, Minnesota, USA
Texas Music Museum in Austin, Texas, USA
Yale University Collection of Musical Instruments in New Haven, Connecticut, USA
Musical Instrument Museum in Brussels, Belgium