Duke Ellington was a professional jazz musician born in 1899 who started playing piano at age 7 and wrote his first song in 1914. He began playing professionally in 1917 and led his band for over 50 years, being inducted into the Jazz Hall of Fame four years after his death in 1974, having made contributions to jazz music throughout his career including performing at President Nixon's party for his 70th birthday in 1967.