It's called "Diamonds and Guns," by Transplants. If you'll listen to the intro, you'll know it's used in Garnier Fructis Shampoo commercials. If you listen to the rest of it, you'll know why the guys who make those commercials haven't. Kohl's department stores have adopted Barenaked Ladies ' "Shopping" as an ad jingle, either not knowing or not caring about the song's satiric anti-consumerist thrust. They had the good sense to only use the instrumental opening, but it's no less a puzzling choice for that — considering the song is about destructive habits. In an inversion of the many examples on this page of violent, un-PC songs being used in innocent contexts, a number of tobyMac songs mostly "The Slam" have been used in previews for violent movies and shows, despite said songs being about God.