The overall form of this work in one movement is in seven sections. A slow introduction begins with multiphonics of the saxophone and sounds of cymbals played with a double-bass bow. Vibraphone and marimbaphone provide the chordal foundation for a fanfare-like invocation by the saxophone. The atmosphere of the following Allegro is dominated by an ostinato series of notes taken from the chords of the introduction and played by the marimbaphone; over this, starting from a four-note series, the sax...