condition (record/cover): NM/EX (vinyl is clean and shiny / sleeve has very light spine wear)

Bernhard Arndt: piano
Andreas Boje: trombone
Harald Dau: soprano & tenor saxophone
Wolfgang Fuchs: bass clarinet, sopranino saxophone
Horst Grabosch: cornet
Friedemann Graef: soprano & tenor saxophone
Georg Gräwe: piano
Klaus Henrichs: alto & baritone saxophone
Thomas Keyserling: alto saxophone, flute
Achim Krämer: drums
Ludolf Kuchenbuch: soprano & tenor saxophone
Michel Mast: soprano & tenor saxophone
Bernhard Mergner: trumpet
Albrecht Riermeier: percussion, vibraphone
Mikro Rilling: cello
Hans Schneider: double bass
Nick Steinhaus: alto saxophone
John Tchicai: soprano & alto saxophone, bass clarinet
Thomas Wegel: double bass
Thomas Wiedermann: trombone
Recorded by Jost Gebers from August 21st till 31st,1978, during Workshop Rehearsals at Youth Center Arcostrasse.