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 Picasso and the Ballets Russes Pablo Picasso and the Ballets Russes collaborated on several productions. Pablo Picasso's Cubist sets and costumes were used by Sergei Diaghilev in the Ballets Russes's "Parade" (1917, choreography: Léonide Massine), "Le Tricorne" ("The Three-Cornered Hat") (1919, choreography: Massine), "Pulcinella" (1920, choreographer: Massine), and "Cuadro Flamenco" (1921, choreography: Spanish folk dancers). Picasso also drew a sketch with pen on paper of "La Boutique fantasque" ("La course"), (1919, choreography: Massine). and designed the drop curtain for "Le Train Bleu" (1924, choreography: Bronislava Nijinska), based on his painting, "Two Women Running on the Beach" ("The Race"), 1922. The