Grażyna Bacewicz Biernacka ([ɡraˈʐɨna baˈt͡sɛvit͡ʂ] (listen); 5 February 1909 – 17 January 1969) was a Polish composer and violinist. She is the second Polish female composer to have achieved national and international recognition, the first being Maria Szymanowska in the early 19th century.

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