Effective period / Period of releases: 1972 - 1992

Members: Christopher Hogwood, Herbert Höver, Friedemann Immer, Hans-Peter Westermann, Walter Stiftner, Hans-Martin Linde, Konrad Ragossnig, Zoltán Rácz (2), Trix Landolf, Maurice Dentan, Han de Vries, Nils Ferber, Claude Wassmer, Anthony Bailes, Pere Ros, Wilfried Engel, Hedwig Van Der Linde, Donna Agrell, Dorothea Jappe, Michael Jappe, Christoph Huntgeburth, Eduard Müller, Klaus Bundies, Karin von Gierke, Anne-Monique Vos, Renate Hildebrand, Peter Jenne, Miguel De La Fuente, Christine Brodbeck, Rudolf Scheidegger, Ursula Joubert, Warren Stewart (3), Marie-Thérèse Yan, Susanne Jenn-Linde, Christopher Schmidt, Edith Lorković-Krahenbuhl, Claudia Hecker, Claudia Dentan, Andreas Gilly, Bernard Leguillon, Lynn Dickinson, Józef Brejza, Christian Berg (10), Jordi Bilbeny (2), Michael Uhlmann (2)