A man without music (or more generally arts and humanities) in his soul – according to the Bard.
Who was the driver behind the American Revolution? Driver = the person predominately responsible for – John Adams, a man who admitted he had no music in his soul.
Coincidence? I doubt it. The Bard was right again.
Want to be a rebel – eschew music, art, humanities. Eschew music and you are more likely to be a rebel at heart if not in deed.