John Q. Walker, founder of Zenph Sound Innovations, listens to a modified 1909 Steinway grand piano play a version of the Star Spangled Banner as Rachmaninoff would have played based upon quantitative detail rendered from years of research by Zenph engineers outside Raleigh, North Carolina, December 6, 2010. "Reperformance," is what Walker calls the process. "We had to invent the word--so we did.".
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