The work is a long reverie about the Universe. Its general form is divided in 5 main parts connected without discontinuity:

1) Danse de l'Univers (Dance of the Universe) is the field of an in-depth harmonic work with notably an attempt to create a curved space..

2) Spirales d'astéroïdes (Asteroids Spirals) confronts the first part harmonic masses with the emergence of 3 long rhythmic phrases, each with its own autonomy.

3) Cristal de galaxie proposes a melodic counterpoint with 3 soloist voices (clarinet, sop. saxophone and horn) played by the orchestra's musicians.

4) Gravitation composed of 4 sections, plays on the perception of time, with phenomena of dynamic precipitation (orchestra's dip), of attraction by gravitation then harmonic collapse (towards the eye of the galaxy). In the middle of this part, a brief insertion of a very colourful harmonic tainted glass is added.

5) L'univers en expansion (the Expanding Universe) prolongs certain musical ideas of harmonic nesting and of timbre mutation, on which ribbon shapes are superimposed (like rainbow beams) subtended by repeated notes. The work ends with the harmonic stained glass of the 4th part, developed in an immense choral, geared down, projected into space.

3A