是英国新生代流行音乐男歌手Conor Maynard的歌曲。康纳·梅纳德（Conor Maynard）英国新生代流行音乐男歌手。1992年11月21日出生于英国布拉顿，因为在Youtube上传了很多自己的翻唱作品而小有名气，目前签约于Parlophone公司。2012年推出新单曲"Can't Say No"，首周便空降英国单曲榜第二名，而首张专辑《Contrast》于2012年7月30日发行。
歌词下方是R U Crazy钢琴谱，希望大家喜欢。
R U Crazy歌词：
No no no no no no no no no no [4x]
Are you crazy?
Are you crazy?
Are you crazy?
Are you crazy?
Must be stupid if you think that we can start again
Are you joking? Must be joking
You ain't laughin', I ain't smokin'
Must be crazy if you think that we can start again
Yeah, ain't no need to cry no more
When you break my heart into twenty four
I'll pick up the pieces you left
If you think I'm coming back,
Don't hold your breath
I ain't your mister, no
'Cause I'm breakin' up with ya
Shoulda hooked up with your sister
Go now, here's my middle finger
'Cause I'm hurting, baby, hurting, baby
Look what you did
Are you crazy?
Are you crazy?
Are you crazy?
Are you crazy?
Must be stupid if you think that we can start again
Are you joking? Must be joking
You ain't laughin', I ain't smokin'
Must be crazy if you think that we can start again
Yeah, I'm with my boys hit the town
Let's go see what kind of chick knocks me out
Now I know that she wants me back
Nothing sounds more better than "Hit the road, Jack" (Jack)
Don't call me mister,
Girl, I've broken up with ya
Love me now, my name is bigger
Girl, I'm giving you the finger
'Cause I'm hurting, baby, hurting, baby
Look what you did
Are you crazy?
Are you crazy?
Are you crazy?
Are you crazy?
Must be stupid if you think that we can start again (start again)
Are you joking? Must be joking
You ain't laughin', I ain't smokin'
Must be crazy if you think that we can start again
Are you crazy?
Are you crazy?
Are you crazy?
Are you crazy?
Must be stupid if you think that we can start again
Are you joking? Must be joking
I ain't smokin'
Must be crazy if you think that we can start again
No no no no no no no no no no no [2x]
Sing it with me now!
No no no no no no no no no no no [2x]
You must be crazy, yeah, yeah
No no no no no no no no no no no [2x]
Oh, no
No no no no no no no no no no no [2x]
You don't understand
There's no second chance for us, baby
It's not a game, so why are you tryin' to play me?
Now I gotta go, I'm not gonna stay and watch you cry
'Cause I'm hurting, baby, hurting, baby
Look what you did
Are you crazy?
Are you crazy?
Are you crazy?
Are you crazy?
Must be stupid if you think that we can start again (start again)
Are you joking? Must be joking
You ain't laughin', I ain't smokin'
Must be crazy if you think that we can start again
Are you crazy?
Are you crazy?
Are you crazy?
Are you crazy?
Must be stupid if you think that we can start again
Are you joking? Must be joking
I ain't smokin'
Must be crazy if you think that we can start again
No no no no no no no no no no no [2x]
Hit the road, Jack
No no no no no no no no no no no [2x]
Hit the road, Jack, Jack
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