Chicago rap duo Heavy Steppers caught a wave with their danceable 2019 single “Heavy Steppers.” The viral cut exploded thanks in part to the “Heavy Steppers Challenge,” which even had Chance The Rapper busting a move. • SBG Kemo and Ke Millie met through mutual friends and recorded “Heavy Steppers” in Millie’s bedroom. It was just the third song they made together. • “Heavy Steppers” is built on a beat by producer Dyleechi. SBG Kemo found it on YouTube. • The “Heavy Steppers Challenge” trended on TikTok with hundreds of thousands of tagged videos. The music video boasts more than 10 million views. • They released five singles in 2020, including “Gangstas Only” and the frenetic “Rap Referee.”