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 said, ""Parade" is my best bottle of wine. I do not like to open it too often." Picasso's sets and costumes for the Ballets Russes are now considered symbols of "the progressive art of their time, and [they] have only become more celebrated and better appreciated over the past century." Nevertheless, according to his biographer, John Richardson, "Picasso's Cubist followers were horrified that their hero should desert them for the chic, elitist Ballets Russes." It was the onset of World War I that prompted him to leave Paris and live in Rome, where the Ballets Russes rehearsed. He also was