composer, music theorist, pianist, academic teacher and music life organiser. He studied music theory with Marek Podhajski (master’s degree in 1985) and composition with Eugeniusz Głowski (master’s degree in 1986) in Gdańsk Music Academy. He completed his doctoral study in composition under Marek Stachowski in Cracow Music Academy (1990). He also studied composition privately with Ignacy Lipczyński (from 1972), Włodzimierz Dębski (from 1974) and Witold Lutosławski (from 1987), as well as consulting Louis Andriessen, Andrzej Nikodemowicz and Ewa Synowiec.
Among his awards, there are: 1st prize for Colours of the Sea for female choir to the composer’s own text (1983-92) as well as two 3rd prizes in the National Competition for Composition Students in Gdańsk (1983); 1st prize in the National Competition for Composers during the “Week of Talents” in Tarnów (1985); a special award of the Polish Composers’ Union’s Managing Board for the best performance of a work by a contemporary Polish composer (Hail Mary for mixed choir, 1989-91) in the 16th National Competition for a Cappella Children’s and School Choirs in Bydgoszcz (1996). He has also been decorated with the “Merit for Culture” Medal (2002), the Culture Award of the Lublin Province (2002) and the President of Lublin Award (2002).
His works have been performed at concerts and festivals in Poland and in such countries as, among others, Italy, Germany, the Netherlands, Ukraine, and the USA. They have been recorded for, and broadcast on, the radio and television, as well as printed (by Authors’ Agency and PWM Edition, among others). In 1985 and 1986, Dubaj participated in the International Summer Courses for Young Composers organised by the International Society for Contemporary Music, Polish Section, in Kazimierz on the Vistula. In 1988-91, Dubaj received scholarships from the Polish Ministry of Culture and Art.
Mariusz Dubaj was the initiator and co-organiser of the Lublin Section of the Polish Composers’ Union (1989) and of Lublin composers’ concert cycles entitled “Chord” (since 1988). He is the author of a reconstruction of the “Dąbrowski Mazurka” (Polish national anthem) with a refrain arranged by Frederic Chopin (PWM 1999) and the holder of a patent for a double repetition on the piano (1991).
In 1983-87, he was assistant lecturer at Gdańsk Music Academy. At present, he holds the post of reader at the Artistic Department of the Maria Curie-Skłodowska University in Lublin. He is an ordinary member of the Polish Composers’ Union.

Waltz-Canon for piano (1976)

Shimmy-Canon (1976-2003)

Hymn I Liceum Ogólnokształcącego im. Wł. Jagiełły w Krasnymstawie (1977)

Ten variations on a Theme "Sto lat" for piano (1979)

Suite for piano (1979-81)

Five Inventions for piano (1980-94)

September Melody for piano (1981)

Sierpniowa noc na fortepian (1981-82,20)

Reed Trio (1981-83)

Sonata for solo violin [1st version] (1982)

Passacaglia and Fugue for piano (1982)

Wind Quartet for two trumpets, horn and trombone (1983)

Seascape for mixed choir (1983)

Birds’ Talk, electronic study (1983)

A tre per oboe, fagotto e pianoforte (1983-84)

Colours of the Sea, four aphorisms for female choir to the composer’s own text (1983-92)

Structures for piano (1983-93)

Piano Sonata (1983-94)

Landscapes of Cieszyn for male choir to the composer’s own text (1984)

String Quartet no. 1 (1985)

Fragmenti for eleven instruments and percussion (1985-86)

Canti movimenti [1st version] for piano and strings

(1986)

Night Drive for piano (1986)

A World of Music. Book I, a cycle of constructions for solo piano (1986-93)

Two Humorous Pieces for reed trio (1987)

Music for Beginners. Book I for piano (1987)

A Walk Across the Plain, an open composition for piano (1987)

Two Fates, a soldier’s song for voice and piano to the composer’s own text (1987)

Dwie łatwe pieśni na chór żeński (1987)

Three Poems for soprano (or mezzo-soprano) and piano (1987-2000)

Reproductions, 18 sketches for piano. Vols. I-II (1987-92)

A World of Music. Book II, a cycle of constructions for solo piano (1987-93)

A World of Music. Book III, a cycle of constructions for solo piano (1987-94)

Trzy wyliczanki na chór dziecięcy (1987-97)

An Essay on Music for a pianist (1987-98)

Three Visions for piano for 4 hands or two pianos, for young players (1988)

Four Songs for mezzo-soprano and piano to the composer’s own text (1988-92)

Expanses of the Soul for flute, alto saxophone and piano (1988-93)

Twenty-Four Mini-Preludes for piano (1988-93)

A Landscape with a Carol for young musicians for violin, cello and piano (1988-93)

Four Poems for piano (1988-94)

Polish Songs for piano (1989)

Litany to the Holy Virgin Mary [1st version], a cantata for mezzo-soprano and orchestra (1989)

And Light Shall Come, a concerto for piano and orchestra (1989-90)

Three Prayers [1st version] for mixed choir (1989-91)

Our Father [1st version] for mixed choir (1989-91)

Hail Mary [1st version] for mixed choir (1989-91)

Gloria [1st version] for mixed choir (1989-91)

Three Prayers [2nd version] for a choir of three equal parts (1989-94)

Our Father [2nd version] for a choir of three equal parts (1989-94)

Hail Mary [2nd version] for a choir of three equal parts (1989-94)

Gloria [2nd version] for a choir of three equal parts (1989-94)

Three Prayers [3rd version] for mixed choir (1989-97)

Our Father [3rd version] for mixed choir (1989-97)

Hail Mary [3rd version] for mixed choir (1989-97)

Gloria [3rd version] for mixed choir (1989-97)

Santa Luzia [1st version] per coro di bambini (o femminile) (1990)

Ballad for piano (1990-91)

Ostatnia bajeczka misia na flet i trzy perkusje (1990-91)

Reminiscence, open composition for piano (1990-97)

Invention for accordion (1992-97)

Missa Brevis na chór mieszany i 3 głosowy (1993-2011)

Kyrie for mixed choir (1993-99)

Hommage à Lutosławski for solo flute (1994)

Alleluiah for mixed a cappella choir (1994)

Trzydzieści impresji na temat „Stary niedźwiedź mocno śpi” na fortepian (1994-97)

Dwanaście kolęd dla dzieci we współczesnym opracowaniu na fortepian (1994-97)

Lord’s Prayer [1st version] for voice and piano

(1995)

Optimum Mobile (Cluster Music John Cage in memoriam) for piano (1995)

Maximum mobile (Quasi sonata John Cage in memoriam) for solo piano (or for piano for 4 hands) (1995)

New Prayers for mixed choir

(1995-98)

Modlitwa Pańska/Pater noster na chór mieszany i smyczki (ad libitum)  (1995/2016)

Canti movimenti [2nd version] for piano and strings (1996)

Lord’s Prayer [2nd version] for 4-part choir

(1996)

Cicha noc, opracowanie na chór mieszany w trzech wersjach (1996-2011)

Music for Beginners. Book II for piano (1996-99)

Nocturne, open composition for piano (1997)

Meditations in E, open composition for organ (1997)

Chopiniana, post-modernist mosaic for piano (1997)

Not Only for Elisa for piano (1997)

Concertino for reed trio, strings and percussion (1997)

Toccata and Fantasy, open composition for harpsichord (1997)

Dispersals, open composition for harpsichord (1997)

Chorale in F, open composition for organ (1997)

Toccata in d, open composition for organ (1997)

Carols for an electronic instrument (1997-98)

A Prayer to Madonna [1st version], church song to words by Maria Gleń for solo voice (1998)

Virgin Mother of God for mixed choir (1998)

Anniversary Composition I, open composition for piano (1998)

Alla Mazurka, open composition for piano (1998)

Alla Polacca, open composition for piano (1998)

Sonata „Funèbre” no. 2, open composition for piano (1998)

St Mark Passion, open composition for organ (1998)

The Eucharist, open composition for organ (1998)

Santa Luzia [2nd version] per coro di bambini (o femminile) (1998)

A New “Clair de lune”, open composition for piano (1998)

Alla Marcia II, open composition for piano (1998)

Study I, open composition for piano (1998)

Study II, open composition for piano (1998)

Tempo di valse, open composition for piano (1998)

KLA-BZD-RA, open composition for piano (1998)

Alleluja, Alleluja na chór mieszany (1998-99)

Modlitwa do Madonny [wersja II], pieśń kościelna do słów Marii Gleń na głos solo lub chór 1-głosowy, głos i organy, chór 2-głosowy, chór 3-głosowy, chór mieszany (1998/2017)

Kyrie eleison for mixed choir (1999)

From the Battlefields for solo trumpet (1999)

Anniversary Composition II, open composition for piano (1999)

Litany to the Holy Virgin Mary [2nd version], a cantata for mezzo-soprano and orchestra (1999)

Melancholy Waltz for piano (1999)

Thema for Julian for organ (1999)

3 Impresje (według Sonaty) na skrzypce solo dedykowane Romanowi Lasockiemu (1999- 2011)

Funeral Song for string orchestra (1999-2000)

Largo for a large orchestra (1999-2001)

Sonata for violin solo [2nd version] (1999-2011)

Missa Nova per coro misto (1999-2011)

A New Sonatina no. 1 for piano (2000)

Capriccio I for solo cello (2000)

Anniversary Composition III after a painting by Leon Tarasewicz for an electronic instrument (2000)

A New Sonatina no. 2 for piano (2000)

A New Sonatina no. 3 for piano (2000)

A Hymn to Christ to words by Maria Gleń for solo voice and 4-part choir (2000)

Ekspresja I na klawesyn dedykowana Władysławowi Kłosiewiczowi (2000)

Kleszczmy rękoma, rękoma, Psalm 47 według Jana Kochanowskiego na chór mieszany (2001)

Concertino [wersja II] na trio stroikowe i fortepian (2002)

Twelve Etudes for piano dedicated for Stanisław Drzewiecki

(2002-2007)

Growing for harpsichord (2003-2004)

Tempus Natalis na organy (2005)

Jezus Chrystus nam się narodził, kolęda do słów własnych na głos i organy, chór 2-głosowy, chór 3-głosowy, chór mieszany (2005)

Odejście do Pana (Pamięci Jego Świątobliwości Jana Pawła II) na organy (2005)

Cicha Modlitwa (Pamięci Jego Świątobliwości Jana Pawła II), pieśń kościelna do słów Marii Gleń na głos i organy, chór mieszany (2005)

Lublin nocą, piosenka do słów Aliny Jahołkowskiej na głos i fortepian (2005)

Drobiazgi na fortepian (2005)

Mała sonata na fortepian (2005)

Introdukcja na klawesyn dedykowana Gośce Isphording (2005)

Canti movimenti, wersja na 2 fortepiany  (2009)

Alleluja [wersja II] na chór mieszany (2011)

13. Etiuda (seria II) na fortepian dedykowana Rafałowi Blechaczowi (2011)

Walc brillante na fortepian dedykowany Profesorowi Mieczysławowi Tomaszewskiemu (2011)

Kwartet dęty [wersja II] na dwie trąbki, waltornię i puzon (2011)

Z pól bitewnych (Karliński. Olsztyn koło Częstochowy. 1587/88), wersja na trąbkę (in B) i fortepian (2011)

Trzy miniatury na trio stroikowe (2011)

Dwie Humoreski [wersja II] na trio stroikowe (2011)

Kwartet smyczkowy nr 1 [wersja II] (2011-2012)

Etiudy (seria II) na fortepian dedykowane Rafałowi Blechaczowi  (2011-2013)

Podchorąży z Włodzimierza, piosenka na głos i fortepian  (2012)

Walc liryczny na fortepian (2012-2013)

Hymn STARTU Krasnystaw do słów Saturnina Naliwajki na głos solo oraz głos i fortepian (2014)

Modlitwa do Matki Bożej Sokalskiej do słów ludowych na głos solo, chór 2-głosowy, chór 3-głosowy, chór mieszany dla Sanktuarium Matki Bożej Sokalskiej w Hrubieszowie  (2014)

Wiara, nadzieja, miłość, pieśń pasyjna do słów Iwony Chudoby na chór mieszany  (2014)

Ogniwa na 2 fortepiany i perkusję, kompozycja kolektywna skomponowana z okazji 70-lecia Związku Kompozytorów Polskich  (2015)

Pieśń do Błogosławionego ks. Zygmunta Pisarskiego do słów ks. Henryka Kapicy na głos solo  (2017)

na eM, cykl 3 erotyków do słów Iwony Chudoby na sopran i fortepian  (2018-2019)

Kompozycja Jubileuszowa VI według obrazu Mariusza Drzewińskiego "Epitafium dla Romana Opałki" na fortepian (2019)

Kompozycja Jubileuszowa VII według linorytu Krzysztofa Szymanowicza "Engram VII" na fortepian (2019)

Kompozycja Jubileuszowa VIII według rysunku Joanny Brześcińskiej-Riccio "LA LEGGE COSMICA (dedicato a Leonardo Fibonacci)" na fortepian  (2019)

Polonez "Powitanie Ojczyzny" na fortepian dedykowany Prof. Elżbiecie Stefańskiej  (2019)