Word: keilholz
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Dates: during 1970-1979
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Last week Steinberg led the orchestra through a program of Shostakovich and Mozart that, besides being musically rewarding, demonstrated that the auditorium is an acoustical gem. Heinz Hall has what is called a good throw. Its sound reaches the audience in smooth, vibrant, evenly distributed waves. German Acoustician Heinrich Keilholz removed a lot of old velvet, surrounded the stage with reflector panels (removable for opera and ballet), then hung a larger, fan-shaped reflector out over the main floor. "In the old days," says Steinberg, "Pittsburghers had no way of telling what their orchestra really sounded like. To find...
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