The Concentric Movement

Beat/rock band from Bonn, Germany circa 1966 to 1970. Musicians included: Alfred "Fredy" Endres (voc), Ronald Gimpel (g), Ulrich Johannson (g), Rolf Kroczek (k), Rudolf Oldenburg (b), Rudolf "Rudi" Haubold (dr), etc. Endres and Kroczek are credited as composers on their single. Oldenburg and Haubold went on to Hairy Chapter.