Todd Phillips explains why Joaquin Phoenix dances so much in Joker.
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Joker serves as an origin movie for the Clown Prince of Crime.
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Phillips confirms it was a natural evolution to add music into Arthur Fleck's life.
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Phoenix has put his own spin on the character and improvised several dancing scenes.
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The script originally only featured Fleck dancing in a small number of scenes.
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However, Phoenix made Fleck's dancing into more of a performance.
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Jack Nicholson famously danced in Tim Burton's 1989 Batman movie.
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It sounds like Phoenix is trying something new with his portrayal of the character.
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