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
The Rite of Spring uproar" which, along with the on-stage noises, drowned out the voice of Nijinsky who was shouting the step numbers to the dancers. The journalist and photographer Carl Van Vechten recorded that the person behind him became carried away with excitement, and "began to beat rhythmically on top of my head", though Van Vechten failed to notice this at first, his own emotion being so great. At that time, a Parisian ballet audience typically consisted of two diverse groups: the wealthy and fashionable set, who would be expecting to see a traditional performance with beautiful music, and a "Bohemian" group who,