The Rite of Spring composer Julius Harrison acknowledged the uniqueness of the work negatively: it demonstrated Stravinsky's "abhorrence of everything for which music has stood these many centuries ... all human endeavour and progress are being swept aside to make room for hideous sounds ..." In "The Firebird", Stravinsky had begun to experiment with bitonality (the use of two different keys simultaneously). He took this technique further in "Petrushka", but reserved its full effect for "The Rite" where, as the analyst E.W. White explains, he "pushed [it] to its logical conclusion". White also observes the music's complex metrical character, with combinations of duple and
Picasso and the Ballets Russes travel back to the land of human beings" after spending time with Diaghilev. Diaghilev, however, valued Picasso's work, and the drop curtain he created for "Le Train Bleu" - the painting of which was completed not by Picasso, but by Prince Alexander Schervashidze - was deemed so impressive that Diaghilev used it as the logo for the Ballets Russes. The writer Jean Cocteau, who introduced Picasso to Diaghilev, wrote the scenario for "Parade", and was Picasso’s neighbor in Rome said, "Picasso amazes me every day, to live near him is a lesson in nobility and hard work ... A badly