Composer, co-creator of many improvised music groups: KEW (1974-76), group of composers, independent electroacoustic music studio (1982-84), freight train (from 1986), European Improvisation Orchestra (1996-98), CH & K & K trio (since 1999), Cavaliers of mud (since 2003). Born in 1947 in Warsaw, he studied at the State Higher School of Music. F. Chopin also in Warsaw in the direction of sound engineering and composition, and conducting theory of musical departments. From 1973, he cooperated with the Experimental Studio of the Polish Radio. In 1978, he worked at the Center for Creative and Performing Arts in Buffalo, USA.

He writes orchestral, choral and chamber works, plays live music and electroacoustic music, he composes for the needs of ballet, film theater and creates sound installations. As a composer and performer of his music, he performed in most European countries, in Asia as well as in North and South America. His discography includes over 50 albums. During martial law he was active in independent cultural environments. After 1989, he co-founded the „Audio-Art” festival, was the director of the Warsaw Autumn festival, and created the Ad Libitum festival. He was the president of the Polish Composers’ Union in 1999-2003 and in 2005-2017 he chaired the Polish Music Council. He is a member of the board of the Polish Music Council. He is a retired professor at the Fryderyk Chopin University of Music in Warsaw, he also lectured at music academies in Krakow and Lodz. In 1985 he received the Solidarity award, in 1998 he was awarded by the Foundation for Contemporary Art in New York, and he was also awarded the Cyprian Norwid’s prize, Silver Medal „Gloria Artis” and the prize of the Polish Composers’ Union.

Composer, co-founder of many improvised music groups: Grupa Kompozytorskiej KEW (1974-76), Independent Studio of Electroacoustic Music (1982-84), Freight Train (from 1986), European Improvisation Orchestra (1996-98), CH & K & K trio (from 1999), Cavaliers of the Mud (since 2003). Born in 1947 in Warsaw, he studied at the State Higher School of Music F. Chopin in Warsaw at the Departments of Sound Engineering, Composition, Conducting and Music Theory. From 1973 he collaborated with the Experimental Studio of the Polish Radio. In 1978 he worked at The Center of the Creative and Performing Arts in Buffalo, USA.
He writes orchestral, choral and chamber works, plays computer and electroacoustic music live, composes for ballet, film theater, and creates sound installations. As a composer and performer of his music, he has given concerts in most European countries, Asia, North and South America. His discography includes over 50 albums. During martial law, he was active in the circles of independent culture. After 1989, he co-founded the "Audio-Art" festival, was the director of the Warsaw Autumn festival, and created the Ad Libitum festival. He was the president of the Polish Composers' Union in 1999-2003, and from 2005 to 2017 he chaired the Polish Music Council. He is a board member of the Polish Music Council. He is a retired professor at the Fryderyk Chopin University of Music in Warsaw, he also lectured at the music academies in Kraków and Łódź. In 1985 he received the "Solidarity" award, in 1998 he was awarded by the Foundation for Contemporary Performance Arts in New York, he also received the Cyprian Norwid, the Silver Medal "Gloria Artis" and the award of the Polish Composers' Union.