I can't speak to the choreography; indeed I don't know from choreography. But the music is as beautiful as it was when Igor Stravinsky wrote it.
Stravinsky was a young, virtually unknown composer when Diaghilev recruited him to create works for the Ballets Russes. The Rite was the third such project, after the acclaimed The Firebird (1910) and Petrushka (1911). The concept behind The Rite of Spring, developed by Roerich from Stravinsky's outline idea, is suggested by its subtitle, "Pictures of Pagan Russia in Two Parts"; in the scenario, after various primitive rituals celebrating the advent of spring, a young girl is chosen as a sacrificial victim and dances herself to death.
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Stravinsky's score contains many novel features for its time, including experiments in tonality, metre, rhythm, stress and dissonance. Analysts have noted in the score a significant grounding in Russian folk music, a relationship Stravinsky tended to deny. The music has influenced many of the 20th-century's leading composers, and is one of the most recorded works in the classical repertoire.