This one is my favorite song before to go to sleep ... it is easy to learn for daddy, mummy and every children.

Twinkle, twinkle little star
How I wonder what you are
Up above the world so high
Like a diamond in the sky
Twinkle, twinkle little star
How I wonder what you are
Twinkle, twinkle little star
How I wonder what you are
Up above the world so high
Like a diamond in the sky
fin...

http://www.youtube.com/watch?v=yCjJyiqpAuU