"Don't Worry, Be Happy" is a 1988 song by Bobby McFerrin, released as the lead single from his album Simple Pleasures (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. Released in conjunction with the film Cocktail, the song peaked at number one on September 24, 1988, displacing "Sweet Child o' Mine" by Guns N' Roses. Record of the Year at the 31st Annual Grammy Awards, February 22, 1989 — hosted by Billy Crystal at Shrine Auditorium. Wiki link Wiki link