Feedback Composers: Siegfried Koepf

Siegfried Koepf
Email: s.koepf_AT_uni-koeln.de

(b. 1958 in Stuttgart, West-Germany) studied piano, composition and electronic composition at the Cologne Conservatory. In 1992, he began devloping computer-aided and combinatorial composition methods. In addition to musical compositions, his work includes videos, music machines, computer software, print editions and various productions with international artists and groups. He has received numerous awards, prizes and commissions as a composer and video artist, and has been teaching composition and music theory at the Cologne Conservatory since 2000.

Links to Other Sites About Siegfried Koepf:
Koepf's Editions
Living Composers Project

PUBLICATIONS

Zum Nichttemperierten 48-Ton-System, in: FB Papers 40, Cologne 1994
Zum "Klavierstück Nr. 3", in: FB Papers 40, Cologne 1994
Zu "99 Melodien" for the Carillon Tower in Cologne City Hall, in: DAS MECHANISCHE MUSIKINSTRUMENT No. 60, Bergisch Gladbach 1996
Didaktische Überlegungen zum Problem des homophonen Satzes im Stile des durmolltonalen Jazz, Self-published, 2nd Edition, Cologne 1996
From Scale To Index Set, in: FB Papers 42, Cologne 1999, further in: Komposition und Musikwissenschaft im Dialog, editors Christoph von Blumröder and Imke Misch, Signale aus Köln, Vol. 3, Saarbrücken 1999
Kompositionstheorie heute, in: Komposition und Musikwissenschaft im Dialog, editors Christoph von Blumröder and Imke Misch, Signale aus Köln, Vol. 3, Saarbrücken 1999
Glocken-Terror auf dem Alter Markt, Interview with Johannes Fritsch, Materials, Documents, Texts on "99 Melodien" for the Carillon Tower in Cologne City Hall by Siegfried Koepf, authors Siegfried Koepf and Nicolas Siepen, in: FB Papers 42, Köln 1999
The tuning system of BEUYS GOES PYTHAGORAS, WEB published 2000
THE MSQ PROJECT, The MSQ file format and MSQ tools, WEB site 2000
Die möglichen Griffkombinationen auf der Bassflöte die mit unterschiedlichen Kombinationen geschlossener Tonlöcher korrelieren, WEB published 2002/2007
The tuning system of CREATING REALITY, WEB published 2003
Zu Messiaens "Modi mit begrenzter Transpositionsmöglichkeit", WEB published 2003
Die möglichen Griffkombinationen auf der Altflöte die mit unterschiedlichen Kombinationen geschlossener Tonlöcher korrelieren, WEB published 2007

COMPOSITIONS

DREI VIOLINDUOS (1990)
ca. 10 min., first performance Cologne 1991, score 6 pages (210x297 mm), FB 9009, EUR 12.-
ZWEI STÜCKE FÜR KLAVIER (1990)
ca. 8 min., first performance Göppingen/Stuttgart 1990, recording available: VPRO (Netherlands), score 5 pages (210x297 mm), FB 9010, EUR 12.-
KLAVIERSTÜCK NR. 3 FÜR XT (1991)
ca. 8 min., first performance Cologne 1991, recording available: West German Radio (WDR), score 8 pages (210x297 mm), FB 9108, EUR 12.-
STÜCK FÜR DREI VIOLONCELLI (1991)
ca. 14 min., first performance Rödingen 1991, recording available: West German Radio (WDR), score (=parts) 17 pages (210x297 mm), FB 9109, EUR 16.-
MODULE (1992)
improvisation pieces for one player, undefined duration, first performance of MODUL 5.6. Moscow 1997, first performance of MODUL 7.6. Cologne 1992, 2 pages (210x297 mm) (in folder), FB 9203, EUR 12.-
STÜCK FÜR ORCHESTER FARBEN (1992)
(2 2 3 bass-sax 2/2 2 2 tuba cb.-tuba/hrp. pno. org./timp. perc. (1)/8 8 12 4 3), ca. 10 min., first performance Cologne 1992, performance material rentable, score 13 pages (210x297 mm), FB 9204, EUR 20.-
OHNE TITEL FÜR ORGEL (1992)
for prepared pipe organ, unlimited duration, first performance Cologne 1992, excerpt on CD: 25 Jahre Feedback
deutschland (1992)
Video (VHS), ca. 4 min., first performance Cologne 1993
KLAVIERSTÜCK NR. 4 (1993)
ca. 4 min., first performance Cologne 1993, score 2 pages (210x297 mm), FB 93022, EUR 12.-
KLAVIERMASCHINE (1994)
sound installation/performance, unlimited duration, first performance Cologne 1998
BASSMASCHINE (1994)
sound installation/performance, unlimited duration, first performance Cologne 1994, recording available: FB CD 3
"99 MELODIEN" for the Carillon Tower in Cologne City Hall (1994-96)
ca. 38 min., commissioned by the "Rheinisches Musikfest Cologne 1996", first performance Cologne 1996, recording available: West German Radio (WDR)
GLOCKENTERROR II (1997)
for one or two pianos, ca. 8 min.
version for one piano: first performance New York 1998, recording available: Saarland Radio (SR)
version for two pianos: first performance Cologne 2004, recording available: West German Radio (WDR)
score 3 pages (210x297 mm), FB 0501, EUR 12.-
KONZENTRIERT MUSIZIEREN (FREIZEIT) (1998)
for trumpet and live delay, ca. 25 min., first performance Cologne 1998, CD available: textur, 7 pages (210x297 mm) (in folder), FB 9814, EUR 16.-
PLAYTIME (1999)
for one or two chime sets (18 tubular bells each) played by one or two performers, ca. 14 min., first performance Stockholm 1999, 4 pages (210x297 mm) (in folder), FB 9906, EUR 16.-
INTERFERING BASS MACHINES (1999)
installation (bass machines and live computer), unlimited duration, first performance Cologne 1999
HI JOHN! VERSION 1 (1999)
for computer controlled 48-keys-per-octave pipe organ, ca. 14 min., first performance The Hague 1999
BEUYS GOES PYTHAGORAS (2000)
electronic music, ca. 52 min., commissioned by "The Museum Schloss Moyland", first performance Bedburg-Hau 2000, CD available: Koepf's Editions
FOR NATASCHAS BASS FLUTE AND LIVE-COMPUTER (1994-2001)
ca. 20 min., first performance Cologne 2001, recording available: West German Radio (WDR), score (German/English) 4 pages (210x297 mm), FB 0102, EUR 12.-
INTEGRATION (1992-2002)
Video (DV, PAL, stereo), ca. 1:30 min., first performance Cologne 2002
SCIENCE FICTION 5 (1994-2003)
Video/electronic music (DV, PAL, stereo), ca. 9 min., first performance Cologne 2003
CREATING REALITY (2003)
electronic music, ca. 52 min., was originally composed as a part of a audio-video-installation with Jungwha Jung, commissioned by The Marronnier Art Center Seoul, first performance Seoul 2003, CD available: Koepf's Editions
SQUARE (2003/2005)
electronic music, ca. 4 min.
stereo version: first performance Cologne 2003
4-channel version: first performance Cologne 2005
EXHAUSTED (1996-2004)
for player piano, 180 Min., first performance Cologne 2004
COWS AND BOYS (2004-2005)
Video (DV, PAL, stereo), ca. 3 min., first performance Santa Barbara 2007
INFLECTOR I (2005)
for live computer, ca. 20 min., first performance Cologne 2005
TWO DIFFERENT PIECES FOR PIANO (1997-2006)
ca. 4 min., first performance Cologne 2006, score 4 pages (210x297 mm), FB 0604, EUR 12.-
CLARENCE BARLOW? A CEREBRAL CLOWN! (2006)
electronic music, ca. 2 min., first performance Cologne 2006
FOR ALTO FLUTE AND LIVE-COMPUTER (2007-2008)
ca. 16 Min., first performance Friedrichshafen 2008



		Deutsch Siegfried Koepf Email: s.koepf_AT_uni-koeln.de (b. 1958 in Stuttgart, West-Germany) studied piano, composition and electronic composition at the Cologne Conservatory. In 1992, he began devloping computer-aided and combinatorial composition methods. In addition to musical compositions, his work includes videos, music machines, computer software, print editions and various productions with international artists and groups. He has received numerous awards, prizes and commissions as a composer and video artist, and has been teaching composition and music theory at the Cologne Conservatory since 2000. Links to Other Sites About Siegfried Koepf: Koepf's Editions Living Composers Project PUBLICATIONS Zum Nichttemperierten 48-Ton-System, in: FB Papers 40, Cologne 1994 Zum "Klavierstück Nr. 3", in: FB Papers 40, Cologne 1994 Zu "99 Melodien" for the Carillon Tower in Cologne City Hall, in: DAS MECHANISCHE MUSIKINSTRUMENT No. 60, Bergisch Gladbach 1996 Didaktische Überlegungen zum Problem des homophonen Satzes im Stile des durmolltonalen Jazz, Self-published, 2nd Edition, Cologne 1996 From Scale To Index Set, in: FB Papers 42, Cologne 1999, further in: Komposition und Musikwissenschaft im Dialog, editors Christoph von Blumröder and Imke Misch, Signale aus Köln, Vol. 3, Saarbrücken 1999 Kompositionstheorie heute, in: Komposition und Musikwissenschaft im Dialog, editors Christoph von Blumröder and Imke Misch, Signale aus Köln, Vol. 3, Saarbrücken 1999 Glocken-Terror auf dem Alter Markt, Interview with Johannes Fritsch, Materials, Documents, Texts on "99 Melodien" for the Carillon Tower in Cologne City Hall by Siegfried Koepf, authors Siegfried Koepf and Nicolas Siepen, in: FB Papers 42, Köln 1999 The tuning system of BEUYS GOES PYTHAGORAS, WEB published 2000 THE MSQ PROJECT, The MSQ file format and MSQ tools, WEB site 2000 Die möglichen Griffkombinationen auf der Bassflöte die mit unterschiedlichen Kombinationen geschlossener Tonlöcher korrelieren, WEB published 2002/2007 The tuning system of CREATING REALITY, WEB published 2003 Zu Messiaens "Modi mit begrenzter Transpositionsmöglichkeit", WEB published 2003 Die möglichen Griffkombinationen auf der Altflöte die mit unterschiedlichen Kombinationen geschlossener Tonlöcher korrelieren, WEB published 2007 COMPOSITIONS DREI VIOLINDUOS (1990) ca. 10 min., first performance Cologne 1991, score 6 pages (210x297 mm), FB 9009, EUR 12.- ZWEI STÜCKE FÜR KLAVIER (1990) ca. 8 min., first performance Göppingen/Stuttgart 1990, recording available: VPRO (Netherlands), score 5 pages (210x297 mm), FB 9010, EUR 12.- KLAVIERSTÜCK NR. 3 FÜR XT (1991) ca. 8 min., first performance Cologne 1991, recording available: West German Radio (WDR), score 8 pages (210x297 mm), FB 9108, EUR 12.- STÜCK FÜR DREI VIOLONCELLI (1991) ca. 14 min., first performance Rödingen 1991, recording available: West German Radio (WDR), score (=parts) 17 pages (210x297 mm), FB 9109, EUR 16.- MODULE (1992) improvisation pieces for one player, undefined duration, first performance of MODUL 5.6. Moscow 1997, first performance of MODUL 7.6. Cologne 1992, 2 pages (210x297 mm) (in folder), FB 9203, EUR 12.- STÜCK FÜR ORCHESTER FARBEN (1992) (2 2 3 bass-sax 2/2 2 2 tuba cb.-tuba/hrp. pno. org./timp. perc. (1)/8 8 12 4 3), ca. 10 min., first performance Cologne 1992, performance material rentable, score 13 pages (210x297 mm), FB 9204, EUR 20.- OHNE TITEL FÜR ORGEL (1992) for prepared pipe organ, unlimited duration, first performance Cologne 1992, excerpt on CD: 25 Jahre Feedback deutschland (1992) Video (VHS), ca. 4 min., first performance Cologne 1993 KLAVIERSTÜCK NR. 4 (1993) ca. 4 min., first performance Cologne 1993, score 2 pages (210x297 mm), FB 93022, EUR 12.- KLAVIERMASCHINE (1994) sound installation/performance, unlimited duration, first performance Cologne 1998 BASSMASCHINE (1994) sound installation/performance, unlimited duration, first performance Cologne 1994, recording available: FB CD 3 "99 MELODIEN" for the Carillon Tower in Cologne City Hall (1994-96) ca. 38 min., commissioned by the "Rheinisches Musikfest Cologne 1996", first performance Cologne 1996, recording available: West German Radio (WDR) GLOCKENTERROR II (1997) for one or two pianos, ca. 8 min. version for one piano: first performance New York 1998, recording available: Saarland Radio (SR) version for two pianos: first performance Cologne 2004, recording available: West German Radio (WDR) score 3 pages (210x297 mm), FB 0501, EUR 12.- KONZENTRIERT MUSIZIEREN (FREIZEIT) (1998) for trumpet and live delay, ca. 25 min., first performance Cologne 1998, CD available: textur, 7 pages (210x297 mm) (in folder), FB 9814, EUR 16.- PLAYTIME (1999) for one or two chime sets (18 tubular bells each) played by one or two performers, ca. 14 min., first performance Stockholm 1999, 4 pages (210x297 mm) (in folder), FB 9906, EUR 16.- INTERFERING BASS MACHINES (1999) installation (bass machines and live computer), unlimited duration, first performance Cologne 1999 HI JOHN! VERSION 1 (1999) for computer controlled 48-keys-per-octave pipe organ, ca. 14 min., first performance The Hague 1999 BEUYS GOES PYTHAGORAS (2000) electronic music, ca. 52 min., commissioned by "The Museum Schloss Moyland", first performance Bedburg-Hau 2000, CD available: Koepf's Editions FOR NATASCHAS BASS FLUTE AND LIVE-COMPUTER (1994-2001) ca. 20 min., first performance Cologne 2001, recording available: West German Radio (WDR), score (German/English) 4 pages (210x297 mm), FB 0102, EUR 12.- INTEGRATION (1992-2002) Video (DV, PAL, stereo), ca. 1:30 min., first performance Cologne 2002 SCIENCE FICTION 5 (1994-2003) Video/electronic music (DV, PAL, stereo), ca. 9 min., first performance Cologne 2003 CREATING REALITY (2003) electronic music, ca. 52 min., was originally composed as a part of a audio-video-installation with Jungwha Jung, commissioned by The Marronnier Art Center Seoul, first performance Seoul 2003, CD available: Koepf's Editions SQUARE (2003/2005) electronic music, ca. 4 min. stereo version: first performance Cologne 2003 4-channel version: first performance Cologne 2005 EXHAUSTED (1996-2004) for player piano, 180 Min., first performance Cologne 2004 COWS AND BOYS (2004-2005) Video (DV, PAL, stereo), ca. 3 min., first performance Santa Barbara 2007 INFLECTOR I (2005) for live computer, ca. 20 min., first performance Cologne 2005 TWO DIFFERENT PIECES FOR PIANO (1997-2006) ca. 4 min., first performance Cologne 2006, score 4 pages (210x297 mm), FB 0604, EUR 12.- CLARENCE BARLOW? A CEREBRAL CLOWN! (2006) electronic music, ca. 2 min., first performance Cologne 2006 FOR ALTO FLUTE AND LIVE-COMPUTER (2007-2008) ca. 16 Min., first performance Friedrichshafen 2008
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