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 reproducing instrumental sounds with their vocal cords and mouth, often pitched using specialised pitch pipes. One of the earliest 20th century practitioners of this method were The Mills Brothers whose early recordings of the 1930s clearly stated on the label that all instrumentation was done vocally. More recently, "Twilight Zone" by 2 Unlimited was sung a cappella to the instrumentation on the comedy television series "Tompkins Square". Another famous example of emulating instrumentation instead of singing the words is the theme song for "The New Addams Family" series on Fox Family Channel (now ABC Family). Groups such as Vocal Sampling