For the first time since the early ’90s, rap completely vanished from the Billboard Top 40—until Megan Thee Stallion’s new single “Lover Girl” swooped in at number 38 to save the day. Billboard’s rule changes booted Kendrick Lamar and SZA’s long-charting “Luther,” exposing how weird chart rules are messing with hip-hop’s presence, even as streams stay strong. Is this a glitch in the system or a sign that the rap game’s success just isn’t fitting the old charts anymore?