Henri Dutilleaux's perfectionism resulted in a distinctive and individual musical language of rare poetry and invention. The interplay of stereophonic and polyrhythmic effects and jazzy brass writing in Symphony No. 2 "Le Double" forms, in the composer's own words, 'a musical play of mirrors and of contrasting colours', while Timbres, espaces, mouvement is Dutilleux's response to Vincent van Gogh's Starry Night, a 'longing for the infinity of nature'. The series of snapshots in Mystère de l'instant evokes fleeting and almost magical moments in time, its cumulative power indicative of a consummate composer at the heigh of his powers.