Tác giả: Chưa Biết
Ca sĩ: Bobby McFerrin
Ca sĩ khác: Holly_ Dolly
Here's a little song. I wrote. You might want to sing it note for more. Don't worry be happy. In every life we have trouble but when you worry you make it double. Don't worry be happy. Don't worry be happy now. Oo Oo.