ST-X Ensemble Xenakis, Iannis - A la Memoire de Witold Lutoslawski Xenakis, Iannis - Akanthos for soprano and ensemble (1977) Xenakis, Iannis - Akrata for 8 winds & 8 brass (1964-65) Xenakis, Iannis - Echange for solo bass clarinet and ensemble (1989) Xenakis, Iannis - Eonta for 2 trumpets, 3 trombones and piano (1963-64) Xenakis, Iannis - Epei, for instrumental ensemble (1976) Xenakis, Iannis - Khal Perr, for brass quintet and two percussionists (1983) Xenakis, Iannis - N`Shima for 2 amplified peasant voices, 2 amplified french horns, 2 tenor trombones & amplified cello (1975) Xenakis, Iannis - Okho for 3 djembes & bass-drums (1989) Xenakis, Iannis - Omega, for percussoin and orchestra (1997). Xenakis, Iannis - Phlegra for ensemble (1975) Xenakis, Iannis - Plekto Xenakis, Iannis - Thallein for chamber orchestra (1984)