Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Sergei Diaghilev:

"

The start of the 20th century brought a development in the handling of tonality, harmony, rhythm and meter towards more freedom. Until that time, rigid harmonic schemes had forced rhythmic patterns to stay fairly uncomplicated. Around the turn of the century, however, harmonic and metric devices became either more rigid, or much more unpredictable, and each approach had a liberating effect on rhythm, which also affected ballet. Diaghilev was a pioneer in adapting these new musical styles to modern ballet. When Ravel used a 54 time in the final part of his ballet Daphnis and Chloe (1912), dancers of the Ballets Russes sang Ser-gei-dia-ghi-lev during rehearsals to keep the correct rhythm.[citation needed]