Duke Ellington, born Edward Kennedy Ellington in 1899, was a prolific American composer, pianist, and bandleader. He is widely regarded as one of the greatest jazz musicians of all time. Ellington's career spanned over 50 years, during which he composed thousands of pieces and performed around the world with his orchestra. Known for his innovative style and sophisticated arrangements, Ellington's music transcended traditional boundaries of jazz, incorporating elements of blues, classical, and popular music. His masterpieces include "Mood Indigo," "Sophisticated Lady," and "Take the A Train." Duke Ellington's contributions to music have left an indelible mark on the jazz genre, earning him multiple Grammy Awards and a lasting legacy as a jazz icon.