Composer and producer of electroacoustic music, which combines electronically prepared sounds with live instruments. He collaborates with visual and video artists, choreographers, photographers, lm and theatre directors. He writes music for films, the stage, and radio dramas. Member of the Polish Society for Electroacoustic Music (PSeME), he resides in Gdańsk. 

Selected works: riverbed, savannah 1, dusk, savannah 2, whisler, pond 1, pond 2, supercrickets. 

Selected discography: Lo Fi Stories (Gusstaff, 2004), Mapa (Map, with Miłka Malzahn; O music, 2004), Sequel (Jacaszek&Miłka; Gusstaff, 2005), Kompleta (Compline, with Stefan Wesołowski; Ici D’Ailleurs, 2008), Treny (Threnodies, Gusstaff / Miasmah, 2008), Pentral(Gusstaff, 2009), Glimmer (Ghostly International, 2011), Pieśni (Songs; The National Centre for Culture Poland, 2013), Catalogue des Arbres (Jacaszek & Kwartludium; Touch, 2014), RIMBAUD (Jacaszek, Budzyński, Trzaska; Gustaff, 2015), Legenda (Legend, Jacaszek, Budzyński; Narodowe Centrum Kultury, 2017), Kwiaty (Flowers, Michał Jacaszek, Hania Malarowska; Ghostly International, Requiem Records, 2017), Bramy Nieba (Gates of Heaven, Vocal Varshe & Jacaszek; Requiem Records, 2018), Stutthof. Apel Cieni (Stutthof. Assembly of Shadows, Tomasz Budzyński, Dariusz Budkiewicz, Michał Jacaszek and Rafał Nowak; Stutthof Museum in Sztutowo, 2018).