The Rite of Spring Monteux, "The musicians thought it absolutely crazy". At one point—a climactic brass fortissimo—the orchestra broke into nervous laughter at the sound, causing Stravinsky to intervene angrily. The role of the sacrificial victim was to have been danced by Nijinsky's sister, Bronislava Nijinska; when she became pregnant during rehearsals, she was replaced by the then relatively unknown Maria Piltz. Paris's Théâtre des Champs-Élysées was a new structure, which had opened on 2 April 1913 with a programme celebrating the works of many of the leading composers of the day. The theatre's manager, Gabriel Astruc, was determined to house the 1913 Ballets
The Rite of Spring the disturbances, while deplorable, were merely "a rowdy debate" between two ill-mannered factions. Emile Raudin, of "Les Marges", who had barely heard the music, wrote: "Couldn't we ask M. Astruc ... to set aside one performance for well-intentioned spectators? ... We could at least propose to evict the female element". The composer Alfredo Casella thought that the demonstrations were aimed at Nijinsky's choreography rather than at the music, a view shared by the critic Michel-Dimitri Calvocoressi, who wrote: "The idea was excellent, but was not successfully carried out". Calvocoressi failed to observe any direct hostility to the composer—unlike, he said,