Đóng góp: Think, think, think, think, think, think, happy
Think, think, think, think, think, think, happy
There ain't no reason, for you to be sad (yeah, mmm)
I know things can't be, can't be that bad (yeah)
With a smile on your face (smile on your face)
With the love in your eyes (love in your eyes)
I know you'll feel better (ohhh)
You can only try
Try to think...
Happy, (happy, happy)
It's the only way to be
Thinking happy (happy, happy)
Try and you will see
Maybe the reason, don't be negative
You'll be rewarded, if you're positive (yeah, yeah, yeah)
You were born to be free (you were born to be)
Free to be who you are (be who you are, hallelujah)
You'll feel better (ohh)
You can only try
Happy, (happy, happy)
It's the only way to be
I'm thinking happy (happy, happy)
If you Try and you will see
Think, think, think, think, think....
Happy, (happy, happy)
It's the only way to be
I'm thinking happy (happy, happy)
If you try and you will see
Na na na na na na think happy
(Think, think, think, think)