Initially formed by internationally renowned soloists in collaboration with the Arditti String Quartet, the flautists Pierre-Yves Artaud, Robert Aitken, Istvan Matuz, the clarinetist Roger Heaton, the trombonists Barrie Webb, Michael Svoboda, the cellist Jean-Paul Dessy, the viola player Vincent Royer etc, the ensemble has been conducted by Radulescu and is devoted to the performance of his works.

It has appeared since in international festivals in Bonn, New York, Turin, London, Frankfurt, Paris, Stuttgart, Florence, Darmstadt, Toulouse, Lisbon, Vilnius, etc often for Radulescu Portrait Concerts. The present team is stable since 1996, and is composed of young outstanding soloists who cover a large repertoire, from various solo works up to large ensemble of 25 players.

From 1991 until 2001 the Ensemble was in residence at the Paris Lucero Festival, and since 2002 works often for the International Lucero Festival and Master Classes in Montreux, Switzerland.