violist; born June 22, 1983. She completed her master's degree and artistic traineeship at the Fryderyk Chopin Academy of Music in Warsaw, studying under Prof. Marek Marczyk and Prof. Piotr Reichert. She also continued her artistic education at the Royal Conservatoire Antwerp (Royal Flemish Conservatoire) in the class of Prof. Leo De Neve. She obtained her Doctor of Musical Arts degree in the discipline of instrumental performance (viola specialization) at the Grażyna and Kiejstut Bacewicz Academy of Music in Łódź; her doctoral dissertation supervisor was Prof. Jolanta Kukuła-Kopczyńska, PhD.

Demowska-Madejska has participated in numerous masterclasses in Poland and abroad (2001–2016), working under the guidance of outstanding pedagogues and chamber ensembles, including Hatto Beyerle, Ilse Wincor, Stefan Kamasa, Ellen Rose, Wolfgang Klos, Georg Hamann, Daniele Rossi, Marco Moretti, Florent Héau, as well as the Fine Arts String Quartet and the Scharoun Ensemble.

She is a laureate of national and international competitions, including: the prize of the Kammermusikfestival Allegro Vivo in Horn for the best performance of Johannes Brahms' Viola Sonata Op. 120 No. 2 (2008), 1st prize at the "Grand Prize Virtuoso" competition in Salzburg in the "chamber music" category (2016), 2nd prize at the ISCART International Music Competition in Lugano in the "chamber music" category, and 1st prize at the 1st Zygmunt Friemann National Polish Music Competition in Bydgoszcz (2022).

She has received scholarships from the Ministry of Culture and National Heritage (2019, 2020), the National Recovery Plan (2025/2026), and the Society of Authors ZAiKS' Promotion Fund (2022).

Demowska-Madejska's artistic activity focuses on the performance of classical and contemporary music, premieres of solo and chamber works, as well as work on forgotten and reconstructed repertoire. The violist has given over 80 world premieres of new music works, including double concertos and solo pieces dedicated to her by Polish composers: Paweł Łukaszewski, Wojciech Błażejczyk, Weronika Ratusińska-Zamuszko, Artur Kroschel, Dawid Pajdzik, and others.

A special place in her repertoire is occupied by the works of the 20th-century Polish-born composers of Jewish descent. She has given Polish and world premieres of works by Eta Tyrmand, Jerzy Fitelberg, Ignacy Friedman, Karol Rathaus, and Mieczysław Weinberg, contributing to the restoration of these composers' music to concert and phonographic circulation.

As a soloist and chamber musician, she has participated in several dozen festivals in Poland and abroad, including the "Warsaw Autumn", Sacrum Profanum, "Poznań Musical Spring", KODY Festival, Warsaw Music Encounters, Evenings at Telemann's, Clarimania Festival, Svatováclavský Hudební Festival, Meridian, Aspekt, Klangwerkstatt, and in a series of electroacoustic music concerts held at universities in Berkeley and Stanford (USA).

She has performed as a soloist with such symphony and chamber orchestras as the Polish Radio Orchestra in Warsaw, the Polish Sinfonia Iuventus Orchestra, the Silesian Chamber Orchestra, the Gorzów Philharmonic Orchestra, the Radom Chamber Orchestra, and the InterCamerata Orchestra. In the past, she was also a member of the European Union Youth Orchestra (2005) and the Sinfonia Iuventus Orchestra (2008–2013).

Since the creation of the Hashtag Ensemble (2013), she has been a member of the group and of the creative team responsible for its artistic profile and repertoire.

Since 2019, she has co-formed a duo with pianist Wojciech Pyrć, carrying out concert and recording projects based on contemporary repertoire and premieres.

Her phonographic output includes 15 albums recorded as a soloist and chamber musician for renowned labels, including Kairos, Orphée Classics, DUX, Requiem Records / Opus Series, Chopin University Press, and PGM Audio (Canada). Among them are world phonographic premieres, such as the Songs of Witold Friemann and the Sonata by Eta Tyrmand. In 2023, the album "Wojciech Błażejczyk. String Music" (Chopin University Press) featuring the Hashtag Ensemble, including Demowska-Madejska, received the "Fryderyk" award in the "Contemporary Music" category.

In the years 2022–2025, she lectured at the Academy of Music in Łódź.

As a board member of the Sphere of Harmony Foundation (Fundacja Sfera Harmonii), since 2023 she has co-directed the social and cultural institution of the Capital City of Warsaw – the Hashtag Lab Contemporary Music Centre, which organizes and hosts concert, educational, residency, and publishing initiatives in the field of contemporary music. This institution was honoured in 2024 with the Society of Authors ZAiKS Award and the Coryphaeus of Polish Music in the "Event of the Year" category.

She is active as a teacher and educator. She has delivered lectures and led classes at, among others, the Royal Academy of Fine Arts in Phnom Penh (2016) and as part of masterclasses for composers in Radziejowice (2019). Since 2023, she has provided substantive supervision over the Hashtag Akademia PRO educational program affiliated with the Hashtag Ensemble.

Furthermore, since 2015 she has been the secretary of the Main Board of the Association of Polish Musicians (SPAM); since 2025 she has served as the president of the New Music Guild, vice-president of the Mieczysław Weinberg Institute, and a member of the ThinkThankYou expert group.

For her artistic, organizational, and social activities, she was honoured with the Decoration of Honour "Meritorious for Polish Culture" (2020), the Golden Medal of the Association of Polish Musicians (2022), and the Gloria Artis Bronze Medal for "Merit to Culture" (2026).

The artist's official website: https://demowska-madejska.pl/

update: 2026 (Aleksandra Braumańska)