- Alto Saxophone – Marion Brown
- Bass – Buschi Niebergall
- Composed By – Gunter Hampel (tracks: B2), Marion Brown (tracks: A1, A2, B3), Steve McCall (tracks: B1)
- Cover – Manfred Ottow
- Drums – Steve McCall
- Engineer [Recording] – Heinz Sommerfeld
- Liner Notes – Bertold Hummel
- Producer – Herbert Braun
- Trumpet – Ambrose Jackson
- Vibraphone, Bass Clarinet – Gunter Hampel
Recorded live at Modernes Theater München, Munich, Germany, September 20, 1968.
Second edition with black/yellow labels and different back cover with photos of the musicians and liner notes in English and German.