Q: You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
Category: HIT SONGS 
Clue: Inspired by a Meher Baba saying, this 1980s Grammy winner was the first a cappella recording to top the Billboard 100
A:
\"don\'t worry, be happy\"