是美国流行女歌手、演员兼词曲创作者Katy Perry的歌曲。凯蒂·佩里（Katy Perry），1984年10月25日出生于美国加利福尼亚州圣巴巴拉。2007年，凯蒂凭借《Ur So Gay》一曲成名。
歌曲It Takes Two收录在其第三张超人气录音室专辑《PRISM》中。2013年8月2日凯蒂·派瑞放出PRISM的最新宣传照，并且在其Facebook和Twitter都更换了头像，PRISM正式开始宣传，这意味着属于PRISM的全新时代即将开始。
歌词下方是It Takes Two钢琴谱，希望大家喜欢。
It Takes Two歌词：
Is Mercury in retrograde or is that the excuse that I've always made
'Cause I wanna blame you,
But I can only blame myself
Yeah, it's easy to throw you under the bus
I'll call you crazy, while I'm filling my cup
I say these things to hurt you
But I only hurt myself
Oh, I can only yake responsability for me
It takes two, two sides to every story
Not just you
I can't keep ignoring
I admit half of it, I'm not that innocent, oh yeah
It takes two, two sides to every story
Not just me
You can't keep ignoring
But let me be first baby to say "I'm sorry"
I face my demons, yeah, I paid my dues
I had to grow up, I wish you could too
I wanted to save you, but I can only save myself
Oh, I can only be the changing one to see
Yeah, I can see
It takes two, two sides to every story
Not just you
I can't keep ignoring
I admit half of it, I'm not that innocent, oh yeah
It takes two, two sides to every story
Not just me
You can't keep ignoring
But let me be first baby to say "I'm sorry"
I point my finger but it does me no good
I look in the mirror and it tells me truth, yeah
Why all these lessons always learned the hard way
Is it too late to change
It takes two, two sides to every story
Not just you
I can't keep ignoring
I admit half of it, I'm not that innocent, oh
It takes two, two sides to every story
Not just me
You can't keep ignoring
But let me be first baby to say "I'm sorry"
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