Bobby McFerrin In 1986, McFerrin was the voice of Santa Bear in "Santa Bear's First Christmas", and in 1987 he was the voice of Santa Bear/Bully Bear in the sequel "Santa Bear's High Flying Adventure". That same year, he performed the theme song for the opening credits of Season 4 of "The Cosby Show". In 1988, McFerrin recorded the song "Don't Worry, Be Happy", which became a hit and brought him widespread recognition across the world. The song's success "ended McFerrin's musical life as he had known it," and he began to pursue other musical possibilities on stage and in recording studios.
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