The Rite of Spring have mastered the work's difficulties. Even the Ballets Russes's sceptical stage director, Serge Grigoriev, was full of praise for the originality and dynamism of Nijinsky's choreography. The conductor Pierre Monteux had worked with Diaghilev since 1911 and had been in charge of the orchestra at the premiere of "Petrushka". Monteux's first reaction to "The Rite", after hearing Stravinsky play a piano version, was to leave the room and find a quiet corner. He drew Diaghilev aside and said he would never conduct music like that; Diaghilev managed to change his mind. Although he would perform his duties with conscientious professionalism,
The Rite of Spring Rite" in the autumn; the sketchbooks indicate that he had finished the outline of the final sacrificial dance on 17 November 1912. During the remaining months of winter he worked on the full orchestral score, which he signed and dated as "completed in Clarens, March 8, 1913". He showed the manuscript to Maurice Ravel, who was enthusiastic and predicted, in a letter to a friend, that the first performance of the "Le Sacre" would be as important as the 1902 premiere of Debussy's "Pelléas et Mélisande". After the orchestral rehearsals began in late March, Monteux drew the composer's attention to