The Rite of Spring the winter of 1909–10, in close association with Fokine who was choreographing "The Firebird". During this period Stravinsky made the acquaintance of Nijinsky who, although not dancing in the ballet, was a keen observer of its development. Stravinsky was uncomplimentary when recording his first impressions of the dancer, observing that he seemed immature and gauche for his age (he was 21). On the other hand, Stravinsky found Diaghilev an inspiration, "the very essence of a great personality". "The Firebird" was premiered on 25 June 1910, with Tamara Karsavina in the main role, and was a great public success. This ensured
The Firebird was looking for fresh compositional talent. The ballet was the first of Sergei Diaghilev's Ballets Russes productions to have an all-original score composed for it. Alexandre Benois wrote in 1910 that he had two years earlier suggested to Diaghilev the production of a Russian nationalist ballet, an idea all the more attractive given both the newly awakened French passion for Russian dance and also the ruinously expensive costs of staging opera. The inspiration of mixing the mythical Firebird with the unrelated Russian tale of Koschei the Deathless possibly came from a popular child's verse by Yakov Polonsky, "A Winter's Journey"