01
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03:20
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Writer: Katy Perry - Kara DioGuardi - Greg Wells / Composers: Katy Perry - Kara DioGuardi - Greg Wells
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02
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03:19
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Writer: Katy Perry - Kara DioGuardi - Greg Wells / Composers: Katy Perry - Kara DioGuardi - Greg Wells
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03
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03:40
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Writer: Lukasz "Doctor Luke" Gottwald - Claude Kelly - Max Martin / Composers: Lukasz "Doctor Luke" Gottwald - Claude Kelly - Max Martin
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04
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03:51
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Writer: Lukasz "Doctor Luke" Gottwald - Claude Kelly - Max Martin / Composers: Lukasz "Doctor Luke" Gottwald - Claude Kelly - Max Martin
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04
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03:50
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Other contributors: Kelly Clarkson
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