The chords used through the whole song is C Dm F C repeated over and over.
C
Here's a little song I wrote
Dm
You might want to sing it note for note
F
Don't worry
C
be happy
C
In every life we have some trouble
Dm
When you worry you make it double
F
Don't worry
C
be happy Don't worry be happy now
CHORUS
C
ooh ooh
Dm
ooh Don't worry ooh
F
ooh be happy ooh
C
ooh don't worry be happy
C
Ain't got no place to lay your head
Dm
Somebody came and took your bed
F
Don't worry
C
be happy
C
The landlord say your rent is late
Dm
He may have to litigate
F
Don't worry
C
be happy Look at me I'm happy
CHORUS
C
Ain't got no cash ain't got no style
Dm
Ain't got no gal to make you smile
F
Don't worry
C
be happy
C
Cause when you worry your face will frown
Dm
And that will bring everybody down
F
Don't worry
C
be happy don't worry be happy now
CHORUS