the company. ("SAB Biography") In 1923,
             Balanchine, along with some of his colleagues formed the Young Ballet, a
             small troupe for which he composed several experimental works. However,
             "the authorities disapproved, and the performers were threatened with
             dismissal if they continued to participate. Then fatefully, in the summer
             of 1924, Balanchine and three other dancers were permitted to leave the
             newly formed Soviet Union for a tour of Western Europe. They did not
             return." ("George Balanchine, 1904-1983")
             Impresario, Serge Diaghilev, saw a performance of the troupe and
             invited the dancers to audition for his Ballet Russes. Recognizing the
             immeasurable talent within Balanchine, Diaghilev hired him as the troupe's
             principal choreographer. And, in 1925, Balanchine unveiled the first of
             four treatments he would make to Ravel's L'Enfant et les Sortileges. His
             reworking of Stravinsky's Le Chant du Rossignol closely followed this. It
             was during his time with the Ballet Russes that Balanchine suffered a
             serious knee injury, which prompted him to devote himself fully to
             choreography instead of dance. Balanchine would create nine more ballets
             for the Ballets Russes, until its final closure due to Diaghilev's death.
             Balanchine left the Ballets Russes and formed Les Ballets in 1933,
             ...