Calliope Variations
Hans Tammen (blippoo box), Matthias Kaiser (prepared and amplified violin), Dušica Cajlan (amplified zither, objects), Georg Wissel (augmented alto sax, clarinet)
Saturday, December 20, 2025, 20:00
Block 7, Barbarastr. 3-9, 50735 Köln
Recommender System Fragment
Hans Tammen (blippoo box), Matthias Kaiser (prepared and amplified violin)
Saturday, December 20, 2025, 16:00
Part of “Kapute Szene II”, 15:00-21:30, Kyffhäuser Str.31, 50674 Köln (backyard)
Turbulent Flow & The Blippoo Box
Hans Tammen (blippoo box), hans w. koch (blippoo box), Matthias Kaiser (prepared and amplified violin)
Friday, December 19, 2025, 20:00
Änderungsschreiberei, Weidengasse 22, 50668 Köln
Chickenheadknobs & Wood
Hans Tammen (blippoo box), Matthias Kaiser (prepared and amplified violin), Christoph Irmer (violin), Sung Mi Marina Kim (violin)
Saturday, December 13, 2025, 20:00
Subsol, Ackerstr 67, 40233 Düsseldorf
Recommender System Perplexity
Hans Tammen (blippoo box), Matthias Kaiser (prepared and amplified violin), Fabian Neubauer (multiple instruments), Ketonge (voice and electronics)
Friday, December 12, 2025, 18:30, short set to welcome Advent, 19:30 Concert
Theater der Gezeiten, Schmechtingstr. 40, 44809 Bochum
Rough & Cultivated II
Jun-Y Ciao (reeds), Teresa Coll (voice), Matthias Kaiser (prepared and amplified violin), Tan Shuoxin (laptop)
Concert as part of the opening of Jun-Y Ciao´s solo show “I`M NOT COMING TO SING FOR YOU & Music for glass container”
Sunday, December 07, 2025, 18:00
Änderungsschreiberei, Weidengasse 22, 50668 Köln
Rough & Cultivated I: Quartet, Special Guest Reinhold Friedl
Joni Sigil (drums, percussion), Fabian Neubauer (percussion, objects), Matthias Kaiser (prepared and amplified violin), Reinhold Friedl (electric guitar)
Start of the Concert Series Rough & Cultivated
Monday, November 24, 2025, 20:00
Änderungsschreiberei, Weidengasse 22, 50668 Köln
Trio
Joni Sigil (drums, percussion), Fabian Neubauer (percussion, objects), Matthias Kaiser (prepared and amplified violin)
Sunday, November 23, 2025, 20:00
Solips, 42329 Wuppertal Vohwinkel, Buchenhofener Str 35
Spooky Cousins
Li-Chin Li (sheng), Matthias Kaiser (prepared and amplified violin), Carter Williams (viola d`amore), Fe Fritschi (accordion)
Sunday, November 16, 2025, 19:00
St. Gertrud, Krefelder Str.57, 50670 Köln
6-8-9 Fēnbèi I
Li-Chin Li (sheng), Matthias Kaiser (prepared and amplified violin), Fabian Neubauer (multi instruments), Bastian Buddenbrock (iwas)
Saturday, November 15, 2025, 16:00 as part of
Soft Opening “Kapute Szene”, 15:00-18:00, Kyffhäuser Str.31, 50674 Köln (backyard)
Kaiser, whose background in extended violin techniques and improvisation places him on the esoteric edges of string theory (both musical and perhaps quantum), doesn’t simply play the violin. He invokes it.
IPOO
Li-Chin Li (sheng), Andrew Levine (haken continuum, theremin und modular synth), Matthias Kaiser (prepared and amplified violin)
Friday, November 14, 2025, 20:00
Subsol, Ackerstr 67, 40233 Düsseldorf
God´s Burnout
Saskia von Klitzing (drums), Matthias Kaiser (prepared and amplified violin), Jun-Y Ciao (reeds)
Sunday, November 09, 2025, 19:00
REM Festival, Schwankhalle Bremen, Buntentorsteinweg 112/116, 28201 Bremen
Speeddating – instant 3 minute trios and 1 tutti
Katharina Bohlen (Klarinette), Jun-Y Ciao (Sopransaxofon, Stimme), Uwe Juchum (Bassklarinette, Tenorsaxofon), Matthias Kaiser (prepared and amplified violin), Brigitte Küpper (Stimme), Claudius Reimann (Kontrabassklarinette), Thorsten Töpp (E-Gitarre), Christofer Varner (Posaune), Ute Völker (Akkordeon), Joseph Warner (Kontrabass), Kai Winter (Altsaxofon), Norbert Zajac (Stimme).
Friday, November 07, 2025, 20:00
ORT, Luisenstr 116, 42103 Wuppertal
Calliope 4
Teresa Coll (voice), Tan Shuoxin (laptop), Jun-Y Ciao (reeds), Matthias Kaiser (prepared and amplified violin)
Sunday, October 19, 2025, 19:00
Houseboat on the River Rhine, Bayenstr. 45, 53332 Bornheim-Hersel
Maybe Candles
Bastian Buddenbrock (iwas), Jun-Y Ciao (reeds), Teresa Coll (voice), Matthias Kaiser (prepared and amplified violin), Fabian Neubauer (percussion), Sun Yizhou (feedback, electronics), Tan Shuoxin (laptop)
Sunday, October 12, 2025, 20:00
Solips, 42329 Wuppertal Vohwinkel, Buchenhofener Str 35
Final Inspection Quintet
Fabian Neubauer (multiple instruments), Duy Luong (bass), Ketonge (raviosonarli), Jun-Y Ciao (reeds), Matthias Kaiser (prepared and amplified violin)
Friday, September 05, 2025, 20:00
Subsol, Ackerstr 67, 40233 Düsseldorf
Random Expectation Trio
Li-chin Li (sheng), Reinhold Friedl (microtonal bontempi organ), Matthias Kaiser (prepared and amplified violin)
Friday, August 29, 2025, 19:00
Bauhaus Museum Weimar, Stephane-Hessel-Platz 1, 99423 Weimar
Random Expectation Septet#2
Matthias Kaiser (concept, prepared and amplified violin), Li-chin Li (sheng), Jun-Y Ciao (reeds), Tan Shuoxin (laptop), Ketonge (ketonge´s raviosonarli), Simon Rummel (microtonal harmonium), Fabian Neubauer (piano, acoustic objects)
Tuesday, August 26, 2025, 20:00
Tersteegenkirche, Amselstr. 22, 51069 Köln
VocColours+
VocColours: Gala Hummel, Andreas Techler, Brigitte Küpper, Norbert Zajac (voices), Matthias Kaiser (violin), Thilo Schölpen (feedback, aerophonium)
Saturday, August 23, 2025, 15:00
Kulturtag-Oberscheid, Taftahü Oberscheid e.V., Bonner Str. 21, 53567 Buchholz
[draußen]
Hanna Schörken (vocals), Pablo Liebhaber (drums), Li-Chin Li (sheng), Duy Luong (bass), Bastian Buddenbrock (#’), Hsiao-Ting Lee (dance), Fabian Neubauer (perc.), Matthias Kaiser (violin), Jun-Y Ciao (reeds)
Wednesday, August 20, 2025, 19:30
Solips, 42329 Wuppertal Vohwinkel, Buchenhofener Str 35
Calliope3
Teresa Coll (voice), Jun-Y Ciao (reeds), Matthias Kaiser (prepared and amplified violin)
Saturday, August 16, 2025, 20:00
Block 7, Barbarastr. 3-9, 50735 Köln
Appearance at Moers Festival 2025
Trio 1
Matthias Kaiser (prepared and amplified violin), Jun-Y Ciao (reeds), Ulrich Phillipp (double bass)
Friday, June 06, 2025, 17:30
Moers Festival, Freysinn 1, Treckerstage
Piano mobil
Matthias Kaiser (solo violin)
Saturday, June 07, 2025, 14:45
Random Expectation Septet
Matthias Kaiser (concept, prepared and amplified violin), Sun Yizhou (feedback), Zhu Wenbo (clarinet, tapes etc.), Zhao Cong (objects), Tan Shuoxin (eletronics), Simon Rummel (microtonal harmonium), Thilo Schoelpen (piano, feedback)
Saturday, June 07, 2025, 23:30
Moers Festival, In der Halle
ornithological sth – solo piece for violin and windup woodpeckers
Matthias Kaiser (prepared and amplified violin, windup woodpeckers, electronics)
Sunday, June 08, 2025, 17:00
Moers Festival, Club Jazz, Byobu
God’s Burnout
Matthias Kaiser (prepared and amplified violin), Jun-Y Ciao (reeds), Saskia von Klitzing (drums)
Sunday, June 08, 2025, 20:00
Moers Festival, Auf’m Platz
Moers Session
Matthias Kaiser (prepared and amplified violin), Tan Shuoxin (laptop), Meinrad Kneer (double bass), Tomo Ando (percussion)
Monday, June 09, 2025, 14:00
Moers Festival, Open Air Stage
Random Expectation come together
Musicians from Beijing and Cologne and other places (tba)
Tuesday, June 10, 2025, 19:30
Studio Orbitale, Vogteistr. 18a/Innenhof, 50670 Cologne