<prompt> Translate the following text to EnglishMchoro wa Sarah Kaufman wa Washington Post, unaonyesha jinsi alivyofanya kazi ya kuigiza kwa njia ya kuigiza kwa njia ya kuigiza kwa njia ya kuigiza kwa njia ya kuigiza kwa njia ya kuigiza kwa njia ya kuigiza kwa njia ya kuigiza kwa njia ya kuigiza kwa njia ya kuigiza.  <response>: The profundity of an artist such as we wont 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. 