If you’ve ever been out at a club, there’s a 99.9% chance you’ve heard a little song called “Knuck If You Buck.” In the 14 years since the Crime Mob cut debuted in 2004, you’ve likely listened to the song while seeing some elbows thrown, some good-natured jostling—and you might even have peeped a fight or two. The song simply stirs up unparalleled amounts of energy.

If you’ve ever stopped to wonder about the origins of the track and the group that created it, I'm here to tell you something: we don't have to ponder ourselves into oblivion any longer. In the latest episode of black culture podcast The Nod, hosts Brittany Luse and Eric Eddings and reporter Wallace Mack provide an extended, 40-minute oral history of “Knuck If You Buck.” The show features interviews with Crime Mob members Lil Jay, Princess and Diamond, and a couple other guests who shed light on how impactful the song is to this day.

Without further ado, here are the five most surprising things we learned about “Knuck If You Buck” and the group that made it.