What is the name of that kinda sad song they play at the end?

I think you mean "little wonders" from Rob Thomas

That song was actually quite inspiring for me, but very sad, yes. You're right, though- Let it Go. Every time I listen to it it makes me cry.

Its "Little Wonders" it was so sad that i started to cry. Well it was sad but also kinda happy if you get what I mean.

It's called Little Wonders, sang by Rob Thomas

Little Wonders was quite a sad song.

It is "Little Wonders" sang by Rob Thomas. That song is kinda sad but also happy. When I first watched the ending, it makes me cry. I am still the same...