composed by Iannis Xenakis graphics Iannis Xenakis liner notes Maurice Fleuret Record Company Les Industries Musicales Et Electriques Pathé Marconi Recorded 8-11.XII & 3-7.VII.1967, salle Wagram, Paris.
Full titles of the pieces as follows: Atrées Pour 10 Instruments en 5 Parties. Morsima-Amorsima Pour Piano, Violon, Violoncelle Et Contrebasse. ST 4 Pour Quatuor A Cordes. Nomos Alpha Pour Violoncelle Seul.
Also released in the EMI Perspectives Musicales series with different cover on LP and re-issued by Angel Records, Us on LP .