theatre & ballet

1974 At "Verschwörung der Gefühle", by Juri Olescha, Schauspiel/Kammerspiele Frankfurt/M, collaboration as stage musician.

1978 At "Heilige Johanna der Schlachthöfe", by B. Brecht, Theater am Turm/TAT, collaboration with composer Heiner Goebbels.

1979/80 At "Dreigroschenoper", Schauspiel Frankfurt/M, collaboration with composer Heiner Goebbels.

         At "Kiebich und Dutz", by F.K. Waechter, Kammerspiele Frankfurt/M, collaboration with composer Heiner Goebbels.

         At „Drei Frauen/Mitten im Sumpf/Hunger nach Sinn“ by Alexander Kluge, Regie: Paul Binnerts.

1979 "Der Brotladen", by B. Brecht, Schlicksupp Teatertrupp, Frankfurt/M, composition and music direction.                    

1984 "Frankfurter Stadtoper", Music theatre, Römerberg Frankfurt/M, composition and music direction.

"Nach Aschenfeld", by F.K. Waechter, Residenztheater, München (composition with Heiner Goebbels and live on stage as duo)

"Frühlingserwachen", by F.Wedekind, Nationaltheater Mannheim, composition. Related LP "Melchior" with Bob Degen as duo.

1988 "Der Architekt und der Kaiser von Assyrien", by F.Arrabal, composition, Schillertheater, Berlin, with Elvira Plenar as stage musician in duo.

1990 "Antigone", by Sophokles/Hölderlin, Düsseldorfer Schauspielhaus.

1992 "Pas de danse, pas de musique", Freies TanzTheater Frankfurt Main, with Andreas Scheufler, Tom Nicholas Sr., Vitold Rek as a quartet on stage.

1993 "Elysian Park", by M.Streeruwitz, Deutsches Theater Berlin.

1994 „Winterreise", La MaMa Experimental Theatre New York City a.o. (collaboration on stage).

1997/8 "West Side Story" - creative rearrangements and music direction, Schauspiel, Frankfurt/M.

2000 "Time is of the Essence", dance performance with Tamas Moritz of the ensemble William Forsythe, festival Offenburg.

"Der Brotladen" 

Poster "Nach Aschenfeld"

                                                              

"Antigone"

                                                                            

"West Side Story"

                                                                   

"Memories"

2002 „That Person Then“, ballet-music for „On&Off“, Byeroreum, National Theater of Korea.
         „2833 The Blue Spot“, ballet music for „On&Off“, Chongdong Theater + Theatre Zero, Seoul.
2003 „Mercury“, ballet music for „On&Off“, Theatre Zero, Seoul.  Related CDR.
2004 „That Person Then“, ballet music for „On&Off“. Related CDR.
2005 ballet music for „On&Off“.

2010 "Memories" ballet by choreographer Kim Young-Hee, music in collaboration with Park Chang Soo, Jang Jae-Hyo, Kang Kwon-Sun as a stage quartet, Arko Arts Theatre, Seoul.

tv & cinema

1980 "Septemberweizen" by Peter Krieg (collaboration with composer Rolf Riehm).
1981 "Schnelles Geld - Der lange Schatten des Morgens" by Raimund Koplin, Renate Stegmüller.
"Der subjektive Faktor" by Helke Sander (collaboration with composer Heiner Goebbels).
1982 "Irrgarten - Marco Ruschiz' Fahrt zu den Wolken" by Thees Klahn (with Annemarie Roelofs, Johannes Krämer a.o.).
1983 "Luther und die Deutschen", ZDF (Zweites Deutsches Fernsehen, TV).
1984 "Der Beginn aller Schrecken ist Liebe" by Helke Sander (collaboration with composer Heiner Goebbels).
1985 "Sam Lang" Video-Installation, MTV Frankfurt/M.
1986 "Letzte Vernunft," TV, ZDF.
1987 "Feuer und Klarheit," TV, ZDF.
1988 "Eifel", TV.
"Linie 16", TV.
"Der irre Spielmann", TV, ZDF.
"Stimmen der Nacht", TV, ZDF.
1989 "Lachen, weinen, lieben", TV.
"Roter Mohn", TV, ZDF.
1990 "Geheime Welten", TV, ZDF.

1991 "Music for other occasions", film music collaboration with composer Lindsay Cooper.
1992 "Balance Action" tv-portrait of Alfred 23 Harth, by Sergey Karsaev, TV Moscow,
Oberhausener Kurzfilmtage & Frankfurter Filmschau.
1997 "Jazzferien 1996", Frankfurter Filmschau.
1998 "Die kritische Masse" by Christian Bau/die thede.
1999 Live music with Peter Kowald & Xu Feng Xia to accompany silent films in Moscow +
Live music with Uwe Oberg to accompany early avant-garde silent films.
"Winterspruch - Arbeit für Hanns Eisler" with Blixa Bargeld as actor, Hessian Filmprize.
2002 "Akupunktur In Gruen“, film music CDR, Seoul.
2004 Live music with Park Changsoo, Kevin Norton, Chino Shuichi to accompany silent films at Jeonju Fimfestival, South Korea.

2005 "Canary", Japan, film music collaboration with composer Otomo Yoshihide.
2008 "Ethiopia Project" film by Kim Gyejoong,  Jeonju International Film Festival, Korea.
2011 Live music with Park Changsoo, Fabrizio Spera to accompany silent films at Kumho Art Hall Seoul.
2019 "Inseln von Dunkelheit, Inseln von Licht", experimental music docu film about the German writer Paulus Böhmer, together with director Gunter Deller.

Diverse cooperations with the German TV film directors Henning Burk and Lucie Herrmann using music from A23H records.

radio plays

1987 "Dass sie im All sind, das ist schon merkwürdig" words by Paul Scheerbart a.o., Hessischer Rundfunk (hr)
         "Boys meet girl" words by Gertrude Stein, Hessischer Rundfunk 

         "Axiom", Hessischer Rundfunk (hr)
1988 "Transport eines nichtexistenten Ortes" - audio performance, SWR2 2001
1989 "Der Raum hinter den Worten" + "Lorita" + "Vol de nuit", words by Jürgen Ploog, Bayrischer Rundfunk. 

         "Wenn Gott tot ist, dann ist er im Himmel"("if god is dead he surely is in heaven") audio performance, Atelier Kutscher, Bandcamp.
1992 "WEAST", Westdeutscher Rundfunk (WDR).

        "Memoria Eschatologica - Versuch über den Isenheimer Altar", Bandcamp.
1997 "Wäre ich unsterblich, könnte ich leben?" words by Paulus Böhmer, Radio X Ffm.
2002 "Seoul Milk", Hessischer Rundfunk (hr). Related CD "Seoul Milk".
2021 "Sweet Paris Reloaded" words by Wolf Pehlke, together with Peter Fey, Südwestrundfunk (SWR2)

mixed media

1967 "17. Juni", centrum freier cunst, mixed media fest, Frankfurt/M.

1968 "Letter Art".

1972  "Gedankenfotografie", ongoing series.

1974  E.M.T. circus project

1980  duo weltoffen, with Micky Remann.

1984  "waschSalon Galerie"(1984 - 1991), Frankfurt/M, together with Karin Jedermann-Harth.

         "Marry the world by conference call", Frankfurt/M, in collaboration with Micky Remann.

         Solo sax, live TV, at "Kirchentagsgottesdienst", Waldstadion, Frankfurt/M.

1986 "Amphibian Match", underwater concert, Frankfurt/M, in collaboration with Ole Schmidt.
1986 "Telephone World Concert", at Schirn Frankfurt/M, collaboration with Micky Remann.

         "PSI TO LEN" performance,  with Indulis Bilzens.
1985 "Sam Lang" (video installation performance at MTV Frankfurt).
1987 "Red Art" - Solo performance music & art in Saarbruecken, Kunstverein.
1987 "Mount just da" performance with Indulis Bilzens as duo.

         At "Der Mann im Fahrstuhl", music theatre, Festival Musique Actuelle Victoriaville, collaboration with composer Heiner Goebbels.

"Vigilant Ace/Ein feste Burg" performance, Stadtpark Rüsselsheim.

1988 "Schauspiel Frankfurt zieht um", street music with the Saxofonorchester Frankfurt.

1989  2nd"waschSalon Galerie"downtown Frankfurt/M, together with Karin Jedermann-Harth.

1990 "1.Kasseler Videosalon", Documenta Archiv, performance with Dmitri Prigov.

         Solo sax, TV, at Frankfurt book fair, Depot Bockenheim.

1991 "Agit-PrOPquotations" at Cooky's Frankfurt/M.

1992 Performance concert at Gallus Theatre with Vladimir Tarasov.
1993 "alphabeth 25" performance HfbK Hamburg with Dmitri Prigov and Vladimir Tarasov, curated by Mike Hentz.

          "akt 24" at Gallustheater Frankfurt/M.
1993-1995 "Gedankenhotel" Frankfurt/M.

1994 "Tensides - Alfred Harth meets Oskar Fischinger", Deutsches Filmmuseum Frankfurt.

         Performance at Chelsea Hotel, New York.

1995, 1996 and 1998 FIM Jazzferien, in Oberreifenberg, Frankfurt/M, Burgsinn.
1996 "Instant Composition Clip" videocomposition for orchestra.
1997 starting with digital videos & video-photography.
1999 "Winterspruch" video (in collaboration) featuring Blixa Bargeld as actor.

         "Last Vobi"performance at the Volksbildungsheim Frankfurt/M.

         "Langue Lamberton" project about David Lynch together with Oliver Augst (failed).
2001 "brocken biest 0101" live electronic tool remix.
         "splendor solis" live electronic tool remix.

         AHIB performance with Indulis Bilzens as duo, river Main shore, Frankfurt/M. Xerox book.

"Sam Lang"

"Amphibian Match"

"Vigilant Ace"

"Provisional Government"

"Campanula"

"Langue Lamberton", Graphics by A23H

2002 "Terror Milk“, video & audioperformance, Ssamzie-Baram Theatre, Seoul (with Kim Hyungtae).

         „Conference Tunnel / Provisional Government“, Seoul, (with Kim Hyungtae).

         "Aktion SLOW" - Sogenannte Laecherliche Ohnmachtswelt Wache, start in 1999 during war in Kosovo, 2002 in Seoul against war in Iraq.

          "House Concert" series by Park Chang Soo, Seoul.
2003  "Bulgasari", offsite circle, Seoul, co-foundation.

         "Kreuzung“, 400 digital-pictures, Frankfurt # Seoul.
         „AA_FESTIVAL“, 5 days of mixed-medias, documented on pic-CDR.

         "Photo Scratch", Sarubia Project Space, Seoul, with Joe Foster.
2004 Mixedmediaperformance "625", video frame recs & Numark CDX, Seoul.
        „Kut at Sarubia“, Performance & Video, Seoul.

        "Car projects" photos in scene

        "Revolving Door", Seoul Museum of Art (SEMA), with Joe Foster.

2005 RELAY 1 - 4, offsite digital circle, Seoul.
        "iGnorance“ for string-quartet & electronics, dedicated to Isang Yun.

        "Record Art", T Space, Seoul.

2006 RELAY 5, offsite digital circle, Seoul.
        "For Conrad Schnitzler" video performance at EXiS film festival, Seoul, with Kim Gyejoong.
2009 "Sam Pal Seon" Aktion Mu University, sqatted club "Rush", Munsan.         
2011 DJing A23H compositions at Dirk Fleischmann's "MyFashionshow" at Arko Theatre, Seoul.
2012 contributing new compositions to Sora Kim's project „Abstract Walking“ at Artsonje Center, Seoul.

         at festival dotolimpic, Seoul, with Carl Stone as duo Gift Fig.
2013 "Shark's Fin Noir", video composition, Hong Kong.

         "Aktion mit Grenze an Schnur/Paik DMZ", Cheorwon, South Korea.
2014 "invocation orhk", Tribute to FM3: Buddha Machine vol.2.

         Gedankenhotel 90ies video, Seoul Museum of Art (SEMA).

         Foundation of the Drawing Space Saalgoo together with Yi Soonjoo.

2015 "Camellia Installation", with John Bell as duo, Gwangju, South Korea.
2016 "Campanula" audio-visual performance with John Bell, Drawing Space Saalgoo, Seoul.

         "Songs From Knee To Chin" (with/for Sora Kim, National Museum of Modern and Contemporary Art (MMCA), South Korea.

2017 "Defiguration Albatross", Wellington, New Zealand.

2019  dotolim, Seoul, with Olaf Hochherz, Paed Conca, A23H, Jin Sangtae, Michael Thieke, Hans Koch.

2021 "Verdunstender Tourismus" (video coop with Dirk Wachtelaer). 

        "Quo Vadis - In For All Meals And The Rest" video-sound-art with Massimo Magee.

        "for Alfred" / Wittgenstein (video coop with Dirk Wachtelaer plus Eunyoung Kim, Soojin Suh, Sangjun Ahn, Sunjae Lee).

        "Taste Tribes" video projection for live concert at Hebbel Theater Berlin.