...Potomac, and belonged to the forces under General Banks, who had not yet encountered the terrible Stonewall Jackson, or even met with that disastrous repulse at Ball's Bluff. He was camped opposite Leesburg , and from the hill which we occupied could be heard the orders of the Federal officers at drill, together with the roar of their brass band playing Yankee Doodle or Hail Columbia. To the patrioti...