06:30. ♪ >> with the blast of a cannon in the pre-dawn darkness. >> the honor guard will prepare to raise the flag and there will be a cannon shot and then one of the biewg bugelers. >> it draws the soldier's attention. they have to stand at attention and salute the flag when it goes up. >> but today's field musicians are not your grandfather's drummers and buglers. when we come back, we will take you back inside to show what you a field music christmas looks like. but, before we take a quick break, here is the west point cadet glee club performing comfort and joy ♪