Metro Boomin has one of the best drops in hip-hop—a threatening seal of approval from frequent collaborator Future. When you hear it, you know what to expect: dense, heavy low-end; eerie synth loops; and layered drum programming that still catches you by surprise. The St. Louis native threw down the gauntlet with the whirlwind beat for Future's "Karate Chop," and the bone-chilling “Jumpman” delivers on that promise.