He participated in International Courses for New Music in Darmstadt, where he presented his own techniques of playing the bass clarinet. Since 2008, he has been working on expanding the capabilities of this instrument, cooperating with one of the best Polish beatboxers – Patryk Tik Tak Matela.
In 2002, Górczyński co-founded Kwartludium, a contemporary music group. Its artistic output includes several dozen premieres of Polish and world pieces. He has performed with the band around the world, including in the US, the UK , Germany, Finland, Ukraine, Russia, Turkey, Australia, and South Korea, giving concerts at such festivals as Warsaw Autumn, Unsound in Kraków and New York, C3 in Berlin, Loop Festival in Brussels, Nuove Musiche Festival in Palermo, Contrasts in Lviv, New Music Days and Avant Days in Gdańsk. Kwartludium’s recorded output consists of five albums.
As an improvisational musician he has collaborated with, among others, Peter Kowald, John Edwards, Zdzisław Piernik (which resulted in the release of the album Energa One in 2001), Mikołaj Trzaska, Paweł Szamburski, and Wacław Zimpel (Ircha Pneumatic Quartet), Joe McPhee, Andrzej Izdebski, DJ Lenar, Le Quan Ninhem, Frederic Blondy, and a number of bands: Cukunft, Pink Freud (Zawijasy, 2000), Zooplan, Boys Band Trio (Curvatura Grande, 2000), Profesjonalizm (Chopin Chopin Chopin, 2011), Details in the Air (Open Containers , 2018). Notably, Górczyński is also a member of Laar Farobiansah Gamelan – a band which performs traditional Indonesian music from Central Java. Their first album, Bidadari, was released in 2018.