: It is characterized by solemn, ritualistic rhythms and powerful drum rolls. The piece is often described as having a "monolithic" quality, reflecting Xenakis's lifelong interest in architectural and mathematical structures in music.
: The ensemble includes flutes, oboes, clarinets, bassoons, horns, trumpets, trombones, and strings (cello and double bass). o mega
This was the final work completed by Xenakis before his death. It is a brief but intense piece written for percussion (soloist) and a small ensemble of 13 instruments. : It is characterized by solemn, ritualistic rhythms