The Foo Fighters Sent Off David Letterman With His Favorite Song and a Montage

The fact that Foo Fighters is one of David Letterman's favorite bands might be one of the things you didn't know about him, and the band showed up for Letterman's final show to send the host off. They played his favorite song, "Everlong," while pictures and video spanning the host's entire career played. When you think about how Letterman is retiring for good, this song gets surprisingly emotional. Stay tuned for the final clip at the end!