Biography
Jazz Workshop, Ruhr Festival 1962
Members: Toots Thielemans, Ronnie Ross, Hans Koller, Rolf Ericson, Nat Peck, Herb Geller, Georg Riedel, Egil Johansen, Friedrich Gulda, Fatty George, Erich Kleinschuster, Willi Meerwald, Ack Van Rooyen, Rob Pronk, Bengt-Arne Wallin, Ron Simmonds, Arne Domnérus, Rolf Schneebiegl, Robert Plitzer