Eichenberger directs the musicians to change what they are doing, but not what to. The result is an hour-long performance with many changes, and surprises. MARIANNE SCHUPPE & DOROTHEA SCHÜRCH (voices), CARLOS BAUMANN (trumpet), PAUL HUBWEBER (trombone), CARL LUDWIG HÜBSCH (tuba), MARKUS EICHENBERGER (clarinets), DIRK MARWEDEL (extended saxophones), HELMUT BIELER-WENDT (violin), CHARLOTTE HUG (viola), PETER K FREY & DANIEL STUDER (double basses), FRANK RÜHL (electric guitar) & IVANO TORRE (percussion). 59 minutes