Question

求这个视频的背景音乐！！http://www.bilibili.tv/video/av480123/

http://www.bilibili.tv/video/av480123/ 跪求！！！好的加分啊！！

Answer 1

歌名：Hot N Cold

歌手：Katy Perry

Answer 2

Katy Perry：Hot n Cold

You change your mind
你改变主意
Like a girl changes clothes
就像女孩子换衣服似的
Yeah you, PMS
没错 你就像得了经前综合症
Like a bitch
像个泼妇
I would know
我早该知道

And you over think
你想得太多
Always speak
说话总是
Cryptically
神秘兮兮地
I should know
我应该知道
That you're no good for me
和你在一起没什么好处

Cause you're hot then you're cold
因为你时而热情时而冷淡
You're yes then you're no
反反复复/(摇摆不定)
You're in then you're out
进进出出
You're up then you're down
心情时好时坏（喜怒无常）
You're wrong when it's right
是非颠倒
It's black and it's white
黑白不分
We fight, we break up
我们吵架 分手
We kiss, we make up
我们拥吻 和好
You, You don't really want to stay, no
你不是真想呆在这儿
you, but You, but you don't really want to go oh
但也不是真想离开
You're hot then you're cold
你忽冷忽热
You're yes then you're no
反反复复
You're in then you're out
进进出出
You're up and you're down
心情时好时坏

We used to be
我们以前
Just like twins
就像双胞胎一样
So in sync
举手投足很合拍（行动一致）
The same energy
一样的有能量活力四射
Now's a dead battery
现在就像个烂电池 完全不通电
Used to laugh ‘bout nothing
以前常常乐呵呵的
Now you’re plain boring
现在的你很闷很无趣
I should know that
我该知道
you're not gonna change
你不会有任何改变

Cause you're hot then you're cold
因为你时冷时热
You're yes then you're no
总是反反复复的
You're in then you're out
进进出出
You're up then you're down
心情时好时坏
You're wrong when it's right
是非颠倒
It's black and it's white
黑白不分
We fight, we break up
我们吵架 分手
We kiss, we make up
我们拥吻 和好
You, You don't really want to stay, no
你不是真想呆在这儿
you, but You, but you don't really want to go oh
但也不是真想离开
You're hot then you're cold
你忽冷忽热
You're yes then you're no
反反复复的
You're in then you're out
进进出出
You're up and you're down
心情时好时坏

Someone call the doctor
快请医生来救救我
Got a case of a love bipolar
我处在又爱又恨的爱情之中
Stuck on a roller coaster
就像被困在了过山车上
Can't get off this ride
下不来了

You change your mind
你不停改变主意
Like a girl changes clothes
就像女孩子换衣服似的

Cause you're hot then you're cold
因为你时冷时热
You're yes then you're no
总是反反复复的
You're in then you're out
进进出出
You're up then you're down
心情时好时坏
You're wrong when it's right
是非颠倒
It's black and it's white
黑白不分
We fight, we break up
我们吵架 分手
We kiss, we make up
我们拥吻 和好

you're hot then you're cold
因为你时冷时热
You're yes then you're no
总是反反复复的
You're in then you're out
进进出出
You're up then you're down
心情时好时坏
You're wrong when it's right
是非颠倒
It's black and it's white
黑白不分
We fight, we break up
我们吵架 分手
We kiss, we make up
我们拥吻 和好
You, You don't really want to stay, no
你不是真想呆在这儿
you, but You, but you don't really want to go
但也不是真想离开
You're hot then you're cold
你忽冷忽热
You're yes then you're no
反反复复
You're in then you're out
进进出出
You're up and you're down
心情时好时坏

Answer 3

有意思 ...