In 1962 he visited Japan, where Gagaku music and Noh theatre inspired the orchestral "Japanese sketches", Sept haïkaï, which contain stylised imitations of traditional Japanese instruments.
I 1962 besøgte han Japan, hvor Gagakumusik og Nohteatre inspirerede de orkestrale "japanske sketcher", Sept haïkaï, som indeholder stiliserede gengivelser af traditionel japanske instrumenter.