The Nightingale (opera) completed his other two major ballets for Diaghilev, "Petrushka" and "The Rite of Spring". Because the time between the writing of the first and second acts extended over six years, stylistically the work reflects Stravinsky's significantly changed approach to composition, and this can clearly be detected when performances are given. Stravinsky subsequently turned aside from large productions to concentrate on chamber music and the piano. For the opera's premiere, the singers were in the pit and their roles were mimed and danced on stage. The "mise-en-scène" was by Alexandre Benois (who also designed the sets and costumes) and Alexandre Sanine,
Picasso and the Ballets Russes said, ""Parade" is my best bottle of wine. I do not like to open it too often." Picasso's sets and costumes for the Ballets Russes are now considered symbols of "the progressive art of their time, and [they] have only become more celebrated and better appreciated over the past century." Nevertheless, according to his biographer, John Richardson, "Picasso's Cubist followers were horrified that their hero should desert them for the chic, elitist Ballets Russes." It was the onset of World War I that prompted him to leave Paris and live in Rome, where the Ballets Russes rehearsed. He also was