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In The Heat Of The Foundry, Steinway Piano 'Hearts' Are Made : NPR
by thenewgreen

    The Steinway piano company has a new owner. This fall, the investment firm Paulson & Co. — led by billionaire John Paulson — spent about $500 million and bought all of Steinway & Sons, the venerated piano maker.

    The deal includes a foundry in Springfield, Ohio, where the Steinway pianos are born in fire.

    The O.S. Kelly Foundry has been making Steinway's plates since 1938. The plate is the cast-iron heart of a piano: it holds the steel wire strings with 40,000 pounds of tension, the company says. It allows vibrations to arise in a concert hall as music.