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NEW YORK (AP) -- John Mayer is apologizing for his mouth.

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The Grammy-winner took to his Twitter page to make amends for his latest inflammatory comments, this time, in the March edition of Playboy.

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In it, he calls former girlfriend Jessica Simpson "sexual napalm" and says Jennifer Aniston is a technophobe who wishes she could go back to her prime in 1998 and also uses the N-word.

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On Twitter Wednesday afternoon, he apologized for the racial epithet and said he has to stop "trying to be so raw in interviews."