"Marcin Bożek - (born on 17th April 1979) A musician, an improviser, a composer. A graduate of the Department of Jazz & Entertaining Music at the Music Academy in Katowice. He received his Master's degree in the field of the Art of playing the bass guitar (in 2003). The laureate of many prizes at the international festivals & contests. Since 2007 he has co-created the Polish improvising music scene. He has improvised with the musicians, actors, painters, artists, dancers as well as solo. The creator and a conductor of "Gdynia Improvisers Orchestra"."

"Tomek Chołoniewski, aka Tomasz Choloniewski, is a percussionist. In 2001, he completed his studies with distinction at the Academy of Music in Kraków, graduating with a diploma in percussion under Professor Jan Pilch. He is principally involved in improvised music. Chołoniewski co-founded the Młodzi Muzycy dla Młodej Muzyki [Young Musicians for Young Music] Association where, among other things, he worked as one of the creators and project coordinator in the cycle confrontacia. He worked as a consultant on the International Workshops of Contemporary Music in Kraków and Stuttgart (2002). In 2003, he worked as a lecturer at the Seoul National University. Tomek Chołoniewski has collaborated with the Beethoven Academy Orchestra with which he participated in numerous premiere performances (including in the Netherlands, Germany and Italy). He also composed music for animated films directed by Marta Pajek. He works as a teacher at the Bronisław Rutkowski Primary Music School in Kraków. In 2012, Mathka released his debut solo album titled un. Tomek Chołoniewski has performed at many festivals including Audio Art in Seoul (2003), Unsound (2004) and Domowa Atmosfera (2004) in Kraków, Plain Music (2004) in Warsaw, NPAI (2004) in Parthenay, Jazz D'Or in Strasbourg (2005), Przetwórnia Dźwięku (2006) in Warsaw, Festival de Butoh in Paris (2006), Polish Sound Art in Guangzhou, China, Foshan in Shanghai and Beijing (2006), and Ad Libitum in Warsaw (2007)."

Malwina Kolodziejczyk is a Polish saxophonist and improviser, known for the groups Poleshift Project and The Krakow Improvisers Orchestra.

Wiktor Krzak is a Polish bassoonist, known for the bands MusiciansÕ Community Contemporary Ensemble and The Krakow Improvisers Orchestra.

Sebastian Mac is a Polish guitarist from Czestochowa, known for the bands Borgmester Dahl, Płucoserce, Pitz and Krakow Improvisers Orchestra.

Adam Nyk is a vocalist, artist, animator, producer, graphic designer and video creator. He is a member of the Krakow Improvisers Orchestra, and the band Limboski.

"Ernest Ogórek is a double bass and bass guitar player. He is an improvising musician who also works in visual arts. Ogórek abandoned his musical studies to study sculpture. He is the co-founder of an experimental animation studio called chłam film studio, and collaborates with Kraków improvising ensembles such as: Maszyna Aladyna and Cracow Improvisers Orchestra. Ernest Ogórek works as a cultural animator and counsellor at the C.K. Norwid Cultural Centre in Kraków."

Berlin based saxophonist Paulina Owczarek is a member of Sambar and Satoko Fujii Orchestra Berlin.

Adam Stodolski is a Polish double bassist, known for the groups 100nka, Aladdin Killers, and Krakow Improvisers Orchestra.

"Patryk Zakrocki: Musician, improviser, composer, sound artist, and illustrator (born in 1974 in Warsaw). He currently plays violin, oscillators and electric mbira as a half of the duet SzaZa and together with the guitarist Marcin Olak, alters the melodies of old music boxes, and co-creates two unique projects of his own conception: Gabinet Ucha Wewnętrznego / The Inner Ear Massage Parlour and Kino Dźwięku / Sound Cinema.

He passionately conducts improvising orchestras and choirs, works with chamber and electroacoustic music, and pushes the possibilities of audio drama. Patryk Zakrocki released 12 albums, including two solo works. Aside from countless shows in Europe, he also performed in USA, Island, Uruguay, Israel, Egypt, China and Japan."