The correct answer is:
3. Benny Goodman
Benjamin David Goodman (1909–1986) was an American jazz bandleader and clarinetist who became to be known as the King of Swing. Goodman's bands started the careers of many jazz musicians.
Through a time of racial segregation, he started one of the first integrated jazz band. In 1938 his concert at Carnegie Hall in New York City was described as the jazz's coming out party to the world of respectable music.
