This is, hands down, my favorite 4th of July song and video. Growing up our family tradition was, on every possible holiday, to sing the appropriate song from "Holiday Inn." If you've never seen the movie -- do it. If you have, you'll understand why such a tradition can make Lincoln's Birthday, um, a little uncomfortable.
Anyway: "I'm singing a song of freedom ..." Stick it out for the whole thing to hear Bing sing AND see Fred dance. It’s worth it.