Duration: 7′
Publisher: DURAND Editions Musicales, 1990, Paris (D.& F. 14404)
Discography: Trio à Cordes de l’Ensemble Intercontemporain (Auvidis-Montaigne Mo 782093)
First version premiered by members of the Arditti Quartett in Darmstadt (Germany) in 1982
Final version by the Trio à Cordes de Paris in 1984