Concert «Stroppa/Ferneyhough» 1993 – Proemio, Spirali
Ircam, Espace de projection Paris, FranceProemio (first performance of 24-chanel concert version); Spirali Didier Arditi (sound engineer), Régis Mitonneau (sound projection), Christophe Gualde (stage director), Arditti String Quartet Concert «Stroppa/Ferneyhough»; Ircam, Atelier Ircam; Espace de Projection, Paris