Between 1983 and 1988 he studied piano under Kazimierz Gierżod and between 1988 and 1994 he studied composition under Włodzimierz Kotoński at the Music Academy in Warsaw. As a pianist, he took part in the International Days of Music in Warsaw and Seoul, in the International Festival of Contemporary Music Warsaw Autumn, International Festival of Polish Contemporary Music Poznań Musical Spring and Festival of Polish Contemporary Music Musica Polonica Nova in Wrocław.
He took classes at the International Summer Course for Young Composers in Kazimierz Dolny and in similar courses in Apeldoorn in the Netherlands as well as the International Composition Course in Villeneuve-lez-Avignon, France. He has cooperated with Fryderyk Rzewski, Michelangelo Pistoletto, Viktor Loise, Yin Peet and the Azorro group. He was a member of the MM group, which worked on the borderline of theatre, music and visual arts. For many years, he has been cooperating with Daniel Szczechura's animated film studio at the Academy of Fine Arts and Kid’s Art Centre in Poznań.
In 1997 Jarosław Siwiński placed third at the International Contest of Jazz Composition in Słupsk for his piece Schyzia for string quartets (1997). In 1998 he was awarded second prize at the International Composition Contest Muzyka i zabawa (Music and Fun) in Poznań for Zegarynka (Speaking Clock) for piano, drums, speaking clock and an audience of children.
He also creates music for animated films (by such artists as Jan Lenica, Daniel Szczechura, Marcin Giżycki, Tomasz Kozak and Agnieszka Skolik), theatrical plays and computer games. He is a co-author of the Muzyka współczesna nie gryzie (Contemporary Music will Not Bite You) and Audio Stage projects. He composed the Anthem of Rzeszów.
Significant Works
- Zamglone Oko Dżdżownicy for amplified piccolo and two drum sets (1989)
- Postrzeganie muzyki jest procesem skomplikowanym i nie do końca klarownym for a tape, piano and violin (1990)
- Ze śpiewów domowych for a voice and piano (1991)
- Souline for a flute (1992)
- Notari, E. M. for a tape (1992)
- Pianerecerto for a piano and instrumental ensemble (1994)
- Notarimbalo for a harpsichord and a tape (1994)
- O czym śnią pianiści for a piano (1995)
- Dominobajki a piano, drum set, showman and children audience (1996-97)
- Schyzia for a string quartet (1997)
- Piano Quintet (1998)
- Missa Brevis for soprano, mixed choir and organ (1998)
- Zegarynka (Speaking Clock) for piano, drums, speaking clock and children audience (1998)
- Hominibus for symphonic orchestra (2002)
- Bebop for a tape (2002)
- Lokomotywa for a tape (2003)
- ID #1 for four absent performers (2003)
- Orkiestra Peronowa for a piano and drums (2004)
- Towarzystwo Przyjaciół for a piano, drums and children couple (2004)
- Owej rozgwieżdżonej nocy for a tape (2005)
- Movement for a symphonic orchestra (2006)
- Pieśni polskie for a tape (2006)
- ra-nie-gra for woodwind quartet and children audience (2009)
- Annalina for baritone and string orchestra (2011)
- Chopin Elements for a computer and MIDI keyboard (2012)
Film Music
- Czarna burleska – animated film (1996)
- Opera ocalenia – animated (1998)
- Czekając na minjan (1998)
- Za Niemen ... (1999)
- Morderczy kiełek kontra Giga kotek - animated (1999)
- Klatka po klatce (2000)
- Romans dżentelmena (2000)
- Wyspa R.O. (2001)
- Hobby. Daniel Szczechura (2002)
- Podróże Daniela Szczechury (2005)
- Sycylijska pchła (2008)
Author: Małgorzata Kosińska, POL-MIC, December 2002; Update: 2014 fl, translated by W.O. January 2014.