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
Collegiate a cappella of Rensselaer Polytechnic Institute, established in 1873, was one of the earliest known collegiate a cappella groups. The longest continuously-operating group is thought to be The Whiffenpoofs of Yale University, which was formed in 1909 to create a musical group with a more "modern" sound than that of the Yale Glee Club, and named for the lyrics to "Little Nemo", a popular Broadway song at the time. Such names, normally intended for comedic effect, have come to define in some part the irreverent attitude found in modern collegiate a cappella. The first a cappella groups at other American Ivy League