Don't Worry, Be Happy Don't Worry, Be Happy "Don't Worry, Be Happy" is a popular worldwide hit song by musician Bobby McFerrin. Released in September 1988, it became the first "a cappella" song to reach number one on the "Billboard" Hot 100 chart, a position it held for two weeks. The Indian mystic and sage Meher Baba (1894–1969) often used the expression "Don't worry, be happy" when cabling his followers in the West. In the 1960s, the expression was printed up on inspirational cards and posters of the era. In 1988, McFerrin noticed a similar poster in the apartment of the jazz duo Tuck
A cappella Harmony Inc. host educational events including Harmony University, Directors University, and the International Educational Symposium, and international contests and conventions, recognizing international champion choruses and quartets. Many a cappella groups can be found in high schools and colleges. There are amateur Barbershop Harmony Society and professional groups that sing a cappella exclusively. Although a cappella is technically defined as singing without instrumental accompaniment, some groups use their voices to emulate instruments; others are more traditional and focus on harmonizing. A cappella styles range from gospel music to contemporary to barbershop quartets and choruses. The Contemporary A Cappella Society (CASA) is