As a composer, he likes to concentrate on tuned sounds/noises and anatomic rhythms (heart pulse, breathing patterns, etc.). His output ranges from solo works to orchestral works, from absolute music to theatre works, from completely written out works to improvisational concepts.

A selection of 1st performances can be found below. A great number of works are published at Swiss Music Edition.

Selection of 1st performances

Graphite Scores, for 4 bass flutes; Sepia Bass4 (Flora Karetka, Katrin Szamatulski, Rebecca Blau, Ksenija Franeta) @ zsuzsa’s galerie Adligenswil Switzerland, 2.3. 2024

Quartet No. 7: … Now They Won’t Stop Coming, for Saxophones (ss, as, ts, bs);
Uneven Same Saxophone Quartet Manuela Villiger (ss), Eva-Maria Karbacher (as), Vera Wahl (ts), Silke Strahl (bs) @ Mullbau Luzern, 19.10.2021

Bildersog, for sextet (fl, cl, bs, vn, vc, pno) and visuals;
MCE Moscow Contemporary Music Ensemble & Thomas Mejer & Monika Müller (pictures and projections) @ Yeltsin-Centre, Yekaterinburg RU), 7.10.2019
Further performances: Organ and Chamber Philharmonics Hall Chelyabinsk, Art Centre «Zvezda-Moskino» Moscow, Künstlerhaus Boswil; Farelhaus Biel; Neubad Luzern

Rusty Engines Resume, for sextet (fl, cl, vn, vc, perc, pno);
MCE Moscow Contemporary Music Ensemble & Thomas Mejer @ Arkhangelsk Philharmonics, Arkhangelsk RU, 2.11.2017
Further performances: Music School Hall Nyandoma, Marina Tchvetaeva Museum Alexandrov, Moscow Music House Chamber Hall Moscow

Macula Matris, for 7 speakers, 7 dancers and 7 musicians (fl, cl, bn, trb, vc, harp, perc); Ensemble Phoenix Basel (Jürg Henneberger, dir), TIP bewegungs-art-freiburg (Choreo: Angelika Aechter), SprecherInnen SRF (Ernst Süss, dir) @ Neubad Luzern CH, 4.9.2015
Further performances: Temple Allemand, La Chaux-de-Fonds; Kunsthaus Zürich; Fonderie Kugler Genève; E-Werk Freiburg D; Gare du Nord Basel

Towards Capillary Attraction, for tentet (fl, ob, cl, bn, hn, 2vn, va, vc, cb);
Ensemble Montaigne (Andreas Brenner) @ Neubad Luzern CH, 5.10.2014
Further performances: Chollerhalle Zug; Stanzerei Baden

Princes‘ Balls, for nonet (fl, cl, vn, vc, pno, perc, cbfl, cbs, tuba);
MCE Moscow Contemporary Music Ensemble & KONTRA-Trio @ Centre for Contemporary Music Vinsavod, Moscow RU, 7.10.2013
Further performances: Organ hall of Perm Philharmony; Theatre in the Stone Island St. Petersburg; Musikhochschule Zürich; Marianischer Saal Luzern; Old Church Boswill with recording SRF; Gare du Nord Basel

Quartet No.6: Resonances,  for 4 contrabass saxophones;
Thomas K.J. Mejer @ Jazzfestival Willisau CH, 29.8.2010

Pøshalsta, for fl, cb;
Maria Fedotowa & Wladimir Wolkow @ Anna Nova Art Gallery, St. Petersburg RU, 8.4.2006

Turbitide, for string orchestra;
Kammerorchester ACERAS (Lukas Langlotz); @ Leonhardskirche Basel CH, 4.2.2006

Einmal ich und du: die Bombe im Herzen, for quintet (fl, cl, vn, vc, pno);
Ensemble Phoenix Basel (Jürg Henneberger); @ Gare du Nord Basel CH, 22.&23.4.2005

Tartarelischer Tanz IV, für 10 bass instruments;
Chicago Basses @ 3030, Chicago USA, 20.5.2004

sulphur, for 3 improvising soloist & large orchestra;
Koch-Schütz-Studer & basel sinfonietta (Peter Rundel) @ Lucerne Festival CH, 16.8.2002

Quartet No.4: Lurking Loves, for 4 baritone saxophones;
New Danish Saxophone Quartet @ København DK, 3.2.2001

Quartet No.3: Frogland, No Princes!, for saxophon quartet (ss, as, ts, bs);
Dansk Saxofonkvartet @ København DK, 7.2.1999

Ahn-Nachtung, for chamber orchestra;
Orchestre della Svizzera italiana @ Settimane Musicali d’Ascona, Locarno CH, 8.10.1998

Quartet No.2: Dark Snow Falls upon the Bagpipers, for 4 alto saxophones
Vision Saxophone Quartet @ Chicago USA, 17.3.1995

Sex Crystals, for sextet (fl, cl, hn, vn, vc, cb);
Cambridge New Music Players @ Brighton Festival GB, 21.5.1994

Quartet No.1: Sulpizianische Bilderwelt, for sax quartet (ss, as, ts, bs);
New Danish Saxophone Quartet @ Kopenhagen DK, l5.7.1993

Fish and Hips, for viola solo;
Charles Mutter @ Brighton Festival, Brighton GB, 22.5.1993

Specchio d’Anima, for piano solo;
James Clapperton @ Exeter GB, 29.6.1992

Ouagadougou, for sextet (fl, cl, vn, vc, xyl, pno);
IXION Ensemble @ Dartington GB, 22.7.1991

Circle Aleatorik Nr. 1 – 6, for octet (fl, cl, as, bs, mph, 2tb, tuba);
Neuphonisches Blasensemble @ Luzern CH, 22.2.1991

“Melius est …”, for 24-part choir;
BBC Singers @ Dartington GB, 23.8.1990

The Minstrel is Entering Virtual Reality, for octet (fl, cl, oboe, hn, harp, vn, va, vc);
Jane Manings Minstrels @ Dartington GB, 24.8.1989