Chopin's music was used in the 1909 ballet Chopiniana, choreographed by <answer>Michel Fokine</answer> and orchestrated by Alexander Glazunov. Sergei Diaghilev commissioned additional orchestrations—from Stravinsky, Anatoly Lyadov, Sergei Taneyev and Nikolai Tcherepnin—for later productions, which used the title Les Sylphides.
Who choreographed a ballet which included Chopin's work?
Michel Fokine