谁知道一首很欢快的英文歌，结尾歌词是tell me why tell me why ~~

Declan Galbraith - Tell me why

歌词：
In my dream,children sing
A song of love for every boy and girl
The sky is blue and fields are green:
And laughter is the language of the world
Then i wake and all i see
Is a world full of people in need

Chorus:
Tell me why(why) does it have to be like this?
Tell me why (why) is there something i have missed?
Tell me why (why) cos i don't understand
When so many need somebody
We don't give a helping hand Tell me why?
Everyday i ask myself
What will i have to do to be a man?
Do i have to stand and fight
To prove to everybody who i am?
Is that what my life is for
To waste in a world full of war?

chorus:
(children)tell me why?(declan)tell me why?
(children)tell me why?(declan)tell me why?
(together) just tell me why, why, why?

chorus:
chorus chant:
Tell me why (why,w