It's summer, which means it's time once again for Jimmy Fallon to whip out his classic protest song "Balls In Your Mouth." And with Halliburton back in the news for having destroyed evidence in the wake of the BP oil disaster, perhaps we need this song now more than ever.

But Fallon wasn't totally convinced his message has been getting across, so he needed a little encouragement from country star Brad Paisley.

Watch Fallon, Paisley and The Roots sing truth to power above, and take special note of our favorite moment below.