- Streams, double concerto for clarinet, bass trombone and 17 instruments, 2010
- pulsar_2 for voice, flute, piano and computer (Ambisonics), 2009
- MOZARTURI for (improvising) bass clarinet and string orchestra, 2005
- Cumuli III for 7 instruments, 1999
Miscellaneous compositions for soprano saxophone or bass clarinet or contrabass clarinet, piano, marimba or vibraphone or percussion, 1993:
Schlumatsnick 1-5
Minischlu 1
12 – eraus
6+3 binär
- Bermuda-Beispiel 1 (“Bermuda-Example 1”) for four improvising musicians, 1993
- “…wie die Zeit vergeht…” (“how time flies”), 9 rational time-leaps at point 662/264 for piano
and percussion quartet, 1993
New program for the Bermuda Viereck, 1991/92:
Ali Baba im Wunderland
Cumuli
Herr Nachbar, pathetisch
Schlonk
“als ich 15 war” (K. Bayer)
Bluse für M.
Müll unser (G. Grass)
Immerzu
Hard 11
3 für 2
- Himbeerrot die Sonne steigt (“The sun rises raspberry-red”) for 2 soprano saxophones, clarinet, trombone, viola, double bass and piano 4-hands, 1991
- Das Heu gärt (“The hay ferments”) for small group of improvisers, 1990
New program for the Bermuda Viereck, 1989:
Bluse für Ch.
Quick Zappa inglese
The harder the better
Round about
17dh38jnnn
S’hätt nöd sölle si
Claire de prune
Simple Melody
Messiaen lässt grüssen
8 compositions for a full-length program on texts by Konrad Bayer, for Schlumpf’s own sextet “Die Vögel”, 1986:
“herr je und we du liebe zeit”
“plötzlich ging die sonne aus”
“die vögel”
“flötengong – alte wunde”
“der kutscher sitzt auf dem tanzmeister”
“er der tag”
“mit einem schwert aus reinem crystall”
“riegel mir den hals”
- Five O’Clock Jump for 13 instruments, 1986
7 compositions for Schlumpf’s own combo, Bermuda Viereck, 1985:
Ein gelber Spazierstock rutscht mir quer durchs Haupt (Pathethology)
Noblesse galvanisée
Hardau-Suite (59/2 Süd)
Die Ballade vom Elephanten und dem Moskito (in memoriam Timo Fleig)
Umdumm
29/16: die Wolkenpumpe
Bimmelresonanz II
6 compositions for Schlumpf’s own 11-piece band, Swiss Fusion 84:
Passagen
Freischütz
Ouverture
Interruptus
From Eriboll to Kirkiboll (nach Ernst W. Heine)
Rattaplasma – der serbische Olymp – Kokoskotten (nach Dada-Texten)
- Ostinato II for 3 improvising musicians and orchestra, 1982
- Ostinato I for 3 improvising musicians and string ensemble, 1980
- Ballade for improvising trio, 1980
- Chip, improvisational chart for 3 players and prerecorded tape, 1980