Bigger chamber music
- The Five Points for clarinet and string quartet, 2012
- Cumuli III for 7 instruments, 1999
- “…wie die Zeit vergeht…” (“how time flies”), 9 rational time-leaps at point 662/264 for piano and percussion quartet, 1993
- 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
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
6 compositions for Schlumpf’s own 11-piece band, Swiss Fusion 84:
Passagen
Freischütz
Ouverture
Interruptus
From Eriboll to Kirkiboll (after Ernst W. Heine)
Rattaplasma – der serbische Olymp – Kokoskotten (on Dada texts)
- Tenebrae for soprano, alto, baritone, mixed chorus, 5 brass instruments, harpsichord and string quintet (after Paul Celan), 1976-7
- Evokationen (“Evocations”) for six brass instruments, piano and percussion, 1972