It's really about acquiring the collective courage to do what needs to be done.
The music was inspired by an article I read about a unit of (mainly) Scotch-Irish (sometimes referred to as "Ulster Irish") soldiers who fought for George Washington and the Continental Army in the American Revolution. On January 1, 1781, after enduring long years of warfare with inadequate food, clothing or shelter and sporadic pay, they mutinied and intended to march to Philadelphia to present their greivances. On they way, they were approached by two British agents who, who offered them back pay in hard cash if they would desert to the enemy. However the mutineers arrested the British agents and turned them over to their erstwhile commanders. They eventually had their greviances addresssed and the rest of the story can be found at http://www.doublegv.com/ggv/battles/Mutiny.html.