This is the best one i could find and i had to cut out the words that are not part of the song.

https://www.youtube.com/watch?v=xGViXQK9kj0

A true, true friend helps a friend in need.

A friend will be there to help them see.

A true, true friend helps a friend in need to see the light that shines from a true, true friend.

Rarity needs your help she's trying hard doing what she can't.

Would you try, just give a chance.

You might find that you start to understand.

A true, true friend helps a friend in need.

A friend will be there to help you see.

A true, true friend helps a friend in need to see the light that shines from a true, true friend.

Applejack needs your help she's trying hard doing what she can't.

Would you try, just give a chance.

You might find that you start to understand.

A true, true friend helps a friend in need.

A friend will be there to help them see.

A true, true friend helps a friend in need to see the light that shines from a true, true friend.

Pinkie Pie is in trouble.

We need to get there by her side.

We can try to what we can now.

Or together we can be her guide!

A true, true friend helps a friend in need.

A friend will be there to help them see.

A true, true friend helps a friend in need to see the light that shines from a true, true friend.

The townspeople need you they've been sad for a while.

They march around, faces frown and never seem to smile.

And if you feel like helping, we appreciate a lot!

If you get up there and spread some cheer from there to Canterlot!

A true, true friend helps a friend in need.

A friend will be there to help them see.

A true, true friend helps a friend in need to see the light (see the light) that shines (that shines) from a true, true friend.