text: The profundity of an artist such as we won 't see again for some time ( Sarah Kaufman , the Washington Post ) . Critics forgive his use of goofy gimmicks--he improvises a dance to his own heartbeat , which is amplified by a device affixed to his chest--focusing instead on the credibility he has given modern dance , having switched from classical ballet in midcareer .
  
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  He switched from goofy modern dance to classical ballet .