Effective period / Period of releases: 1966

Members: Steve Lacy, Harry Beckett, Jean-Luc Ponty, Tony Oxley, Paul Rutherford (2), Danilo Terenzi, Maurizio Giammarco, Massimo Urbani, Gianni Bedori, Marianne Gazzani Eckstein, Giorgio Gaslini, Bruno Tommaso, Eugenio Colombo, Bruno Biriaco, Guido Mozzato, Gaetano Delfini, Roberto Della Grotta, Patrizia Scascitelli, Nicola Raffone, Simona Caucia, Joan Logue