Grinnell’s Pianos

Once known as the largest piano factory on the earth, Grinnell’s Pianos opened its doors in Holly, Michigan, in 1913. The company lasted for nearly a century, thanks in part to its quality pianos and to its consistent community involvement hosting annual statewide music festivals.

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  1. Any idea what became of the Holly Grinnell piano factory? Do you know when it closed? My elementary class went on a field trip there in the mid 1960’s. I got a couple of those square bolts that the piano wires are attached to, as souvenirs.

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