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Izabella Jadwiga Zielińska (née Ostaszewska; 10 December 1910 – 20 November 2017) was a Polish pianist and pedagogue with one of the longest artistic biographies in Poland, starting back in 1935.

Izabella Jadwiga Ostaszewska was born in Klimkówka, Podkarpackie Voivodeship and attended primary school in Sanok and at the Lyceum of the Ursuline Convent in Lvov, graduating in 1929. She took piano lessons from Klaudia Rylska. In 1930 she went to Belgium to continue her education in the Ursulines Institute at Wavre-Notre-Dame, where she studied French and music. WIKIPEDIA