Born in 1981, he graduated from the Fryderyk Chopin University of Music in Warsaw in the composition class of Zygmunt Krauze and the sound engineering of Andrzej Lupa, as well as in journalism and political sciences from the Warsaw University. Since 2010 he has been junior lecturer at the Sound Engineering Department and the Computer Music Studio of the Fryderyk Chopin University of Music. In 2015 he became a member of the Polish Composers’ Union.

His works have been performed by the Gorzów and Kalisz philharmonics, New Music Concerts Ensemble, Mozart 2003 Association Choir and Orchestra, Kwadrofonik, Sinfonia Iuventus, and Hashtag Ensemble at festivals such as New Music Concerts (Toronto), Polish Modern: New Directions in Polish Music Since 1945 (New York), Visegard Portraits (Budapest), Musica Moderna (Łódź), Musica Electronica Nova (Wrocław), Musica Polonica Nova (Wrocław), Poznań Music Spring, and AudioArt (Cracow). He writes both acoustic and electroacoustic music, as well as works for the theatre and film.

His accolades include a number of awards at composition competitions: 3rd Prize at the 1st Krzysztof Penderecki International Composition Competition “Arboretum,” 1st Prize at the 52nd Tadeusz Baird Young Composers’ Competition for Exhorta (2011), and 2nd Prize at the same competition for Apnea (2010). He has held scholarships from the Polish Ministry of Culture and the Keimyung Research Foundation. In 2014, he received the Magna cum Laude medal for the best Fryderyk Chopin Music University graduates. In 2013, he participated in the IRCAM Forum Workshops in Paris.

In 2013, Wojciech Błażejczyk published a monographic record on the For Tune label, titled Loopowizacje, featuring works for electric guitar solo, in chamber ensembles and with electronics; the composer contributed as a performer.

Wojciech Błażejczyk performs new music on the electric guitar. He has appeared as a performer at festivals such as Musica Polonica Nova, AdLibitum, Musica Moderna, Audio Art, Ankunft: Neue Musik, Olympus Jazz Festival, Visegard Portraits, and concerts of the Polish Composers’ Union’s Youth Circle (fringe events of the Warsaw Autumn festival). He appears often with the Hashtag Ensemble, and plays improvised music with the Sonofrenia ensemble, live music to silent films with Niemy Movie, and progressive rock with Demer di.

As a sound engineer, he has cooperated since 2008 with Warsaw Autumn and Musica Electronica Nova, and creates sound designs to films.

Major works: Cztery pory zmroku for piano (1999), Gazes for guitar (2000), Schizofrenia for chamber orchestra and tape (2002), Madness for 2–3 guitars (2002), The Cave (Captive Calling) for three guitars (2003), Crime and Punishment for electric guitar, string quartet and piano (2004), String Quartet (2006), Sirens for flute and harp (2006), MAD–Mutual_Assured_Destruction for chamber orchestra (2007), Seica for 10 instruments (2008), Hysteresis Loop for saxophone and tape (2007), Postlude for seven brass and piano (2007), The Onion for three-voice choir to words by Wisława Szymborska (2007), Anamorfosis for string quartet (2007), Two Songs to Words by Różewicz for tenor, two violins and piano or for piano trio (2007), The Harpsichord as a Social Instrument, cycle of miniatures for harpsichord with various instruments (2008), What Will You Do When You Catch Me? for piano four hands (2008), Rozedrganie for three violins and piano (2008), Interlunium for guitar (2008), Haas Spaces for trumpet, harp, electric guitar, piano and computer (2008), Loopovisations.1 / .2 / .3, cycle of improvised works for guitar and live electronics (2008–9), Involutio for trumpet, recorder, electric guitar, piano and computer (2009), Pur for mixed choir (2009), Music of the Circle for any 6–12 mobile instruments (2009), Arhythmia for two electric guitars, vibraphone, marimba and percussion (2009), 3 Meanings of Nothing for clarinet, string quartet, piano and percussion (2009), Shimmer for two pianos and two percussions (2009), Wild Hunt for clarinet, electric guitar and piano (2009), Hora iudicii for choir and chamber orchestra (2009), Apnea for two percussions and two pianos (2010), Protocol for actor, ensemble and electronics (2010), Music 4 Four for electric guitar, cello, bass clarinet and accordion (2010–12), Exhorta for tape and reciter (2011), Penal Colony for actor and symphony orchestra (2011), Vo-Ce for chamber ensemble (2011), Chicken Run for electric guitar (2011), Hole in the Head for three flutes and double bass (2012), Lyddit for chamber orchestra (2012), Introjection for string quartet (2012), Fractal for electric guitar, live electronics and video (2013), Concertino per strumenti antichi e suoni moderni for ancient instruments ensemble (2013), LoPassHiCut for double bass and live electronics (2013), Dipole for two flutes (2013), Guitar Sculptures for electric guitar and live electronics (2013), Bethlehem for choir, soprano, baritone, duduk, percussion, organ and electronics (2013), A Concise History of the Death of Jean Calas for choir and symphony orchestra (2014), Objectophony 1.0, 2.0, 4.0, cycle of improvised works for objectophones and voice (2014–15), Trash Music for instrumental ensemble, voice and objectophones (2014), Terra for choir (2014), Particle Horizon for electric guitar, bass guitar, objectophones and live electronics (2014), Warsaw Music for instrumental ensemble, voice and live electronics (2015), Music of Strings for electric guitar, piano and string trio (2015).