Like about a zillion other people, I’ve been having fun with MTV’s brand new new music video site:

And, like about a zillion other people, I’ve made jokes about MTV’s suddenly revived interest in its old stock in trade.

Anyway, like Dave Letterman (the source of my post title), I loves me some Foo Fighters, especially the songs that also have funny videos. And this is a supremely funny video, with Dave Grohl playing about 12 different parts and with cameo appearances by Jack Black and Kyle Gass.