"Don't Worry, Be Happy" is a song by musician Bobby Mcferrin. Released in September 1988, it became the first acappella song to reach number one on the Billboard Hot 100 chart, a position it held for two weeks. The song's title is taken from a famous quotation by Meher Baba. The "instruments" in the acappella song are entirely overdubbed voice parts and other sounds made by McFerrin, using no instruments at all; McFerrin also sings with an affected accent. The comedic original music video for the song stars McFerrin, Robin Williams, and Bill Irwin, and is considerably shorter than the album version.