Original first pressing (silver cover, green label) of this legendary LP with works by Berio, Ligeti, Constant, Clementi, Miroglio, Donatoni "The listener is expected to play this recording at full volume and in total darkness." is suggested on the estensive liner notes on back cover. Excellent copy

Tracklisting:
A1 Continuum        Composed By - György Ligeti
A2 Profil Sonore        Composed By - Graciane Finzi
A3 Insertions        Composed By - Francis Miroglio
A4 Intavolatura        Composed By - Aldo Clementi
B1 Moulins A Prière    Composed By - Marius Constant
B2 Rounds        Composed By - Luciano Berio
B3 Hommage A Calder    Composed By - Antoine Tisne
B4 Doubles        Composed By - Franco Donatoni