Bobby McFerrin is an American musical innovator, composer, conductor, and virtuosic a cappella singer with a four-octave vocal range. He has won 10 Grammy Awards, four of which were for Best Male Jazz Vocal Performance. His many albums include Don't Worry, Be Happy (1988), Simple Pleasures (1988), Medicine Music (199)), Paper Music (1995), and Beyond Words (2002). McFerrin is perhaps best known for his 1988 hit song, “Don’t Worry, Be Happy” which reached the No. 1 spot on U.S. pop charts and won Song of the Year at the 1989 Grammy Awards. While McFerrin has recorded numerous solo albums, he has also collaborated with other artists like Herbie Hancock, Yo-Yo Ma, and Chick Corea, and has served as the guest conductor for a number of symphonies across the U.S. and around the world.