Louis Armstrong: Born in New Orleans, he was an innovator for the Jazz genre, his innovations have changed Jazz to this very day, and still affects the Jazz singers, and composers of the modern day, one such change was something called swinging, which involved emphasizing the note that came before the accented beat.
Duke Ellington: Duke Ellington, became one of America's greatest
popular composers He led his orchestra from 1923 until his death, his career spanning over 50 years.