"Don't Worry, Be Happy" is a song by American musician Bobby McFerrin released in 1988. It was the first a cappella song to reach number-one on the Billboard Hot 100 chart, a position it held for two weeks.
Originally released in conjunction with the film Cocktail, the song peaked at No. 1 on September 24, 1988, displacing "Sweet Child o' Mine" by Guns N' Roses.
The song also peaked at No. 11 on the Billboard Hot Black Singles chart and No. 7 on the Billboard Hot Adult Contemporary Tracks chart. The song was also a hit in the United Kingdom, reaching number 2 during its fifth week on the UK Singles Chart.
In Canada, the song reached No. 1 in its eighth week. One critic noted it as a "formula for facing life's trials".