LAMENTATIONS: Assemblage 1 & 3 (2025)
EWA TRĘBACZ - soundscape, ANNA NIEDŹWIEDŹ - voice
Text: excerpts from The Lament for Urim
Source: The Electronic Text Corpus of Sumerian Literature, University of Oxford

LAMENTATIONS: Assemblage 2 (2025)
EWA TRĘBACZ - soundscape & video, ANNA NIEDŹWIEDŹ - voice
Quote at the end:  an excerpt from The Lament for Urim
Source: The Electronic Text Corpus of Sumerian Literature, University of Oxford

THARSIS for contrabass clarinet and electronic media
JULIAN PAPROCKI - contrabass clarinet
November 23, 2024 - Audio Art Festival, Kraków, Poland
Tharsis starts at about 50:50.

LULLABIES FOR NIBRU (2024) for bass flute and electronic media
RENATA GUZIK - bass flute
November 13, 2025 - Cricoteka, Kraków Poland

METANOIA (2020), concerto for violin, string orchestra and surround sound
Adam Bałdych - violin, NFM Leopoldinum Orchestra, Christian Danowicz - conductor
63rd International Festival of Contemporary Music "Warsaw Autumn"
Witold Lutosławski Polish Radio Concert Studio in Warsaw

UMBRAE (2023), Ambisonic soundscape
Ewa Trębacz - Ambisonic mix & violin recordings
Sound format: Stereo UHJ

INANNA DESCENDING (2019), for Ambisonic sound and variable ensemble
Anna Niedźwiedź - virtual soloist (voice), Josiah Boothby - horn, Heather Bentley - viola,
Kaley Lane Eaton - voice, Leanna Keith - flute, Mirta Wymerszberg - bandoneon

THE TOWER OF BROKEN MIRRORS (remix 2023), Ambisonic soundscape
Leanna Keith - flutes, Josiah Boothby - horn, Ewa Trębacz - violin and electronics
Sound format: Stereo UHJ

ERRAI (2009), for horn, soprano and audiovisual immersive media
Anna Niedźwiedź - soprano, Josiah Boothby - horn, Robert Sowa - lighting design
Ewa Trębacz - 3D animation and Ambisonic soun

MINOTAUR (2005), for horn and surround sound
Josiah Boothby - French horn

RECONTRE 3 (2024), collaborative performance in Extended Reality
Recorded live at the Historic Georgetown Steam Plant, Seattle
Josiah Boothby - French horn, Leanna Keith - flutes and movement,
Ewa Trębacz - ambisonic sound sources and violin, Ashley Menestrina - movement artist,
Laura Luna Castillo - XR environment design; Daniel Peterson - live sound processing

TINY CHACONNE (2019), improvisation
Heather Bentley - viola, Josiah Boothby - French horn, Ewa Trębacz - violin
Recorded at the Abandoned Nuclear Plant in Satsop, Washington State (USA).  

ANC’L’SUNR (2013), spatial soundscape with orchestra in the foreground
Polish Radio Symphony Orchestra, Marek Moś - conducto

LIGEIA (2016), for invisible soprano, ensemble and surround sound
Anna Niedźwiedź - invisible soprano, Seattle Modern Orchestra, Julia Tai - conducto

THINGS LOST THINGS INVISIBLE (2007), for Ambisonic space and orchestra
K.Szymanowski Academic Symphony Orchestra, Arturo Tamayo, Szymon Bywalec - conductors
Virtual soloists: Josiah Boothby - French horn, Toby Penk - trumpet, Colby Wiley - trombone

EPHEMERAE (2005), for symphonic wind ensemble
Windkraft Tirol, Kasper de Roo, conductor | Klangspuren Festival, Schwaz, Austria

ALETHEIA (2000), for string orchestra
Tarnów Chamber Orchestra, Tomasz Tokarczyk - conductor

SPINNING ZONE (2002), for percussion trio and computer-realized sound
Stephen Versaevel, Jeffrey Vick, Andrew Miller - percussion (live recording, 2016)

CHORDOCHROMIES (2003), for harpsichord and electronic media
Gośka Isphording, harpsichord

SEQUENCE (2007), animation by Robert Sowa, music by Ewa Trębacz

CURRICULUM VITAE (2005), digital video
Courtney Harris - dancer, Hope Wechkin - narrator