Born in 1987 in Tymbark, she studied at the Bacewicz Academy (now University) of Music in Łódź (2006–16) notably with Szábolcs Esztényi and Elżbieta Aleksandrowicz (Hons. degree in eurhythmics, 2011) and later with Zygmunt Krauze (degree in composition, 2016). In 2014 she studied composition and visualisation with Dietrich Hahne at the Folkwang University for the Arts in Essen (as an Erasmus+ student and later a KAAD scholarship holder). In 2017–18 she obtained a Chinese government scholarship to continue her studies at the Shanghai Conservatory of Music. In 2021 she completed with distinction a Master Special programme at the Basel Academy of Music (in the class of Johannes Kreidler and Caspar Johannes Walter). In 2019 she obtained a Witold Lutosławski Scholarship, and in 2020 and 2021 – the prestigious scholarship of the Swiss Nicati de Luze Foundation. 

Her works have often been presented in Italy, Poland, Switzerland, Germany, Czechia, Slovakia, and Israel, at academic centres in Germany and Switzerland, as well as festivals such as Éclat, Warsaw Autumn, Transit, Biennale Aktuelle Musik Bremen, MINU Festival, Katowice Festival of Premieres, Sacrum Profanum, Ad Libitum, Musica Polonica Nova, NeoArte – Synthesizer of Arts, Sinfonia Varsovia to Its City, Polyphonies, Pergine Festival, Musica Privata, Touch the Theatre, Fru Improvisation Contact Festival, C.A.R. contemporary art ruhr (Essen), BÉTON Brut & Bruits (Cologne), Bauhaus/Kurt Weill Festival (Dessau), São Paulo Contemporary Composers’ Festival, 25th International Accordion Music Festival in Przemyśl, and 5th Piotrków Art Biennial. 

In 2020 her multimedia instrumental theatre piece It’s Only the End of the World was premiered at the Basel Theatre as part of the Im Flow der Apokalypse project, followed in 2022 by Leiber. Eine Nichtkammer Oper, premiered at the Bruchwerk Theatre in Siegen. In 2021, jointly with contemporary arts space Anomalia, Sowa was one of the winners of the 3rd OPER.A 20.21 FRINGE Competition of Orchester Haydn Stiftung von Bozen und Trient. As part of the award, her opera Silenzio/Silence was premiered at the 2022 Opera Festival in Bolzano. In 2023 her commissioned works were premiered by Basel Sinfonietta and the Göttinger Symphonieorchester. 

In 2011–17 Sowa taught at the Oskar Kolberg Music School Complex in Radom, and in 2016–17, piano improvisation classes at the Bacewicz University of Music in Łódź (Chair of Eurythmics and Piano Improvisation). 

Selected works: Seh, do, yek...! for violin, accordion and electronics (2018), Lass mich heraus! for trombone quartet (2018), Concerto for accordion duo and chamber orchestra (2018), String Quartet (2019), smar for soprano saxophone, double bass and electronics (2019), Étouffe for violin, accordion and electronics (2019), Setz Dich bitte hin for instrumental ensemble (2019), Message for the Year of the Metal Rat II for two violins, accordion, piano, percussion and electronics (2020), Piece for Violin and Saxophone Player (2020), Faster for ensemble and electronics (2020), smar II for double bass, electric guitar and electronics (2021), With the Family One Looks Best in Photos for percussion and electronics (2021), Reed Interlude for oboe, electronics, and video (2021), pocket opera Silenzio for seven performers and electronics (2021–22), Dance ex machina for pianist, dancer and electronics (2022), Leiber. Eine Nichtkammeroper, instrumental theatre for three performers and electronics (2022), Minimum Movement for harpsichord, violin and electronics (2022), The Polish Chair for electronic quartet, electronics and video (2022), Diversions for orchestra, electronics and the sculpture Grosse Méta-Maxi-MaxiUtopia by Jean Tinguely (2022), Nach dem Foto feiern wir weiter! for ensemble and electronics (2023), BLAP for orchestra (2023), cognition, instrumental theatre (2023–24).