bass, harmonium Arjen Gorter
clarinet, bass clarinet, soprano saxophone, saxophone [contralto], tenor saxophone Willem Breuker
tracks b1 to b4 composed by Gunter Hampel
percussion Pierre Courbois
vibraphone, flute, bass clarinet Gunter Hampel
voice Jeanne Lee
Recorded At Studio Andre Van De Water
Studio-Reihe Neuer Musik
Recorded: April 1968
Studio: André Van De Water, Soest (Holland)