Witold Roman Lutosławski (Polish: [ˈvitɔld lutɔsˈwafski] (listen); 25 January 1913 – 7 February 1994) was a Polish composer and conductor. Among the major composers of the 20th century, he is "generally regarded as the most significant Polish composer since Szymanowski, and possibly the greatest Polish composer since Chopin". His compositions—of which he was a notable conductor—include four symphonies, various orchestral works, a string quartet, instrumental works, concertos, and song cycles, some of which he orchestrated. Of these, his best known works are the song cycle Twenty Polish Christmas Carols and a Concerto for Orchestra.

During his youth, Lutosławski studied piano and composition in Warsaw. His early works were influenced by Polish folk music and demonstrated a wide range of…Read more on Wikipedia