Witold Lutoslawski is the greatest Polish composer of the second half of the 20th century, and one of the greatest music artists of the previous century.He was a supporter of the autonomy of music, which to him was an absolute art. His output is characterized by great simplicity. He represented a completely independent and individual composing style, with a wealth of ideas related to sound, an impressive formal discipline, and "intellectual" emotionalism. Starting from neoclassicism, experimenting with avant-garde techniques such as aleatorism and sonorism, and incorporating elements of Polish folklore, he developed a new musical language: poetical, refined, and imaginative. Near the end of his life, he returned to the roots, turning to simpler texture and harmony, neoclassical rhythms and melodies.He composed Sacher Variation as a hommage à Paul Sacher which is ordered by Rostropovich to 6 other composers as well.eSACHERe (es is E-flat in German, and Re is D in solfege