Zac Brown + Foo Fighters + Black Sabbath’s War Pigs = Goddayum.

Skip the coffee this morning, folks. You don’t need it. Crank up the speakers on your laptops and smart phones, and rock your damn face off.

Now pick your face up off the floor, go to church, and confess your sins.

Letterman’s favorite band, the Foo Fighters, will be there all week, by the by, with a special guest each night. They are supporting their new album, “Sonic Highways,” out November 10th.

Dustin is the founder and co-owner of Pajiba. You may email him here, follow him on Twitter, or listen to his weekly TV podcast, Podjiba.