Pharrell Williams - Happy Lyrics:

[Verse 1]
It might seem crazy what I'm 'bout to say
Sunshine she's here, you can take a break
I'm a hot air balloon that could go to space
With the air, like I don't care baby by the way

[Hook]
Because I'm happy
Clap along if you feel like a room without a roof
Because I'm happy
Clap along if you feel like happiness is the [bad word] 
Because I'm happy
Clap along if you know what happiness is to you
Because I'm happy
Clap along if you feel like that's what you wanna do

[Verse 2]
 [bad word] bad news talking this and that (Yeah!)
Well, give me all you got, don't hold it back (Yeah!)
Well, I should probably warn you I'll be just fine (Yeah!)
No offense to you don't waste your time, here's why...

[Hook]

[Bridge 2x]
Bring me down
Can't nothing bring me down
My level's too high to bring me down
Can't nothing bring me down, I said...

[Hook + Bridge + Hook]