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Nadezhda Filaretovna von Meck (1831-1894) was the wealthy Russian patroness of Pyotr Ilyich Tchaikovsky (1840-1893). The two never met in person, but carried on an extensive and intimate correspondence over a thirteen-year period. In gratitude for her years of financial and moral support, Tchaikovsky dedicated his Symphony No. 4 to her.
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