Grażyna Bacewicz (February 5, 1909 in Łódź – January 17, 1969 in Warsaw, Poland) was a Polish composer and violinist. She was the first Polish female composer to achieve national and international recognition. Her father and brother Vytautas were Lithuanian and used the last name Bacevičius, the other brother Kiejstut was Polish. Her father, Wincenty Bacewicz (lith. Vincas Bacevičius), gave Grażyna her first piano and violin lessons. In 1928 she began studying at the Warsaw Conservatory, where she initially took violin and piano classes, and graduated in 1932 as a violinist and composer.