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 Firebird Ivan confronts the magician and eventually they begin quarrelling. When Koschei sends his minions after Ivan, he summons the Firebird. She intervenes, bewitching the monsters and making them dance an elaborate, energetic dance (the "Infernal Dance"). The creatures and Koschei then fall into a deep sleep. While they sleep, the Firebird directs Ivan to a tree stump where the casket with the egg containing Koschei's soul is hidden. Ivan destroys the egg and with the spell broken, the magical creatures that Koschei held captive are freed and the palace disappears. All of the "real" beings, including the princesses, awaken and