mixed ensemble
philadelphia for string trio & prep. piano (10', 1st perf.: Karlsruhe, June 2000) on CD: The Composition Class of Wolfgang Rihm, Kulturfonds Baden, 2001
'iram for 10 musicians (15', 1st perf.: Ensemble "Omega", Karlsruhe, April 2000)
chamber symphony for countertenor & 7 instrumentalists (24', 1st perf.: Karlsruhe, Jan. 2003)
gurêz for 4 recorders (5', 1st perf.: "Amsterdam Loeki Stardust Quartet", 2002) on CD: Fugue Around the Clock, Channel Classics CCS 19498, 2003
Sieh, ich starb als Stein... (Rûmî/Rückert) for mezzo soprano & 4 instrumentalists (14', 1st perf.: Karlsruhe, Jan. 2003) on CD: Orient, United Phoenix Records, 2015
monodia for recorder, viola da gamba, harpsichord (10', 1st perf.: ADEvantgarde Munich, June 2003)
Die Namen der Wüste for 7 instrumentalists (38', 1st perf.: Karlsruhe, Jan. 2005)
Die Hochöfen des Schmerzes (Yvan Goll) for wind ensemble & percussion (5', 1st perf.: "de ereprijs", Apeldoorn, Jan. 2005)
Der zerrissene Orpheus for harp & ensemble (23', 2015, 1st perf.: N.N.)
4 experimental approaches to compositions from the Ottoman court repertoire for lyric soprano & 10 instrumentalists (10', 1st perf.: Leipzig, Nov. 2006)
...und die Mauern fielen um... for 9 instrumentalists (20', 1st perf.: Messiæn-Festival Neustadt/Wstr., Aug. 2008)
ṣabrān - "2 fois patience" for 4 instrumentalists (10', 1st perf.: Ensemble "Adapter", Istanbul, Oct. 2008)
ṣabr for 5 instrumentalists (12', 1st perf.: Ensemble "Hezarfen", Istanbul, April 2010)
Himmelsleiter for 18 instrumentalists (17', 2011-12)
Confessions for 9 instrumentalists (20', 2012)
Tombeau de Julien Bernard for large ensemble (11', 1st perf.: Berlin, 2016)
XY for santur, percussion & 4 string players (10', 2017, commissioned for ICM 2018 in Samsun)
HŪ for 9 instrumentalists (& Semazen dancer) (12', 2019)
desertum for flute & piano (10', 1st perf.: Karlsruhe, May 2003)
clairvoyance for flute & violin (5', 1st perf.: Luzern, March 2011)
Religion of Love for countertenor & recorder (14', 1st perf.: UMS 'n JIP, Brig, Feb. 2012)
Love is my Religion for countertenor & recorder (14', 1st perf.: UMS 'n JIP, Istanbul, Nov. 2013)
pobiti kamâni (15', 1st perf.: Karlsruhe, Jan. 2000)
desero (12', 1st perf.: Heidelberg, Nov. 2006)
In A (14', 1st perf.: Basel, Dec. 2012)
rain (20', 1st perf.: Chicago, Apr. 2018)
Orpheus' Lament for harp (8', 1st perf.: Stuttgart, May 2005)
4 entraves for violin (6' , 2007)
Jakobsleiter for violin (6' , 2015)
Lucifer - 3 Études for piano (2018-19)