Johann Sebastian Bach and Claud Debussy were two of the most influential musicians in the world. They published songs they wrote, played instruments, and were brilliant when it came to music. Yet both their lives and their styles differ vastly, from the wild life of one to the disciplined way of the other; from one’s greed and self-interest to the other’s humility and hope in God. How did both come to play such a big part in the development of music in such different ways?